diff --git a/Validation/RecoEgamma/python/photonValidator_cfi.py b/Validation/RecoEgamma/python/photonValidator_cfi.py
index 07447e5ed110c..8fef3d250131c 100644
--- a/Validation/RecoEgamma/python/photonValidator_cfi.py
+++ b/Validation/RecoEgamma/python/photonValidator_cfi.py
@@ -1,7 +1,7 @@
 import FWCore.ParameterSet.Config as cms
 
-import SimTracker.TrackAssociation.TrackAssociatorByHits_cfi
-trackAssociatorByHitsForPhotonValidation = SimTracker.TrackAssociation.TrackAssociatorByHits_cfi.TrackAssociatorByHits.clone()
+import SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi
+trackAssociatorByHitsForPhotonValidation = SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi.quickTrackAssociatorByHits.clone()
 trackAssociatorByHitsForPhotonValidation.ComponentName = cms.string('trackAssociatorByHitsForPhotonValidation')
 trackAssociatorByHitsForPhotonValidation.Cut_RecoToSim = 0.5
 trackAssociatorByHitsForPhotonValidation.Quality_SimToReco = 0.5
diff --git a/Validation/RecoEgamma/python/tkConvValidator_cfi.py b/Validation/RecoEgamma/python/tkConvValidator_cfi.py
index 8103a1f069ea2..38aeacbfaac5b 100644
--- a/Validation/RecoEgamma/python/tkConvValidator_cfi.py
+++ b/Validation/RecoEgamma/python/tkConvValidator_cfi.py
@@ -1,9 +1,9 @@
 import FWCore.ParameterSet.Config as cms
 from Validation.RecoEgamma.tpSelection_cfi import *
 
-from SimTracker.TrackAssociation.TrackAssociatorByHits_cfi import *
-import SimTracker.TrackAssociation.TrackAssociatorByHits_cfi
-trackAssociatorByHitsForConversionValidation = SimTracker.TrackAssociation.TrackAssociatorByHits_cfi.TrackAssociatorByHits.clone()
+from SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi import *
+import SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi
+trackAssociatorByHitsForConversionValidation = SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi.quickTrackAssociatorByHits.clone()
 trackAssociatorByHitsForConversionValidation.ComponentName = cms.string('trackAssociatorByHitsForConversionValidation')
 trackAssociatorByHitsForConversionValidation.SimToRecoDenominator = 'reco'
 trackAssociatorByHitsForConversionValidation.Quality_SimToReco = 0.5
diff --git a/Validation/RecoHI/plugins/HitPixelLayersTPSelector.h b/Validation/RecoHI/plugins/HitPixelLayersTPSelector.h
index 42116cf6bd78e..4a84d5c712c2d 100644
--- a/Validation/RecoHI/plugins/HitPixelLayersTPSelector.h
+++ b/Validation/RecoHI/plugins/HitPixelLayersTPSelector.h
@@ -77,7 +77,7 @@ class HitPixelLayersTPSelector
 	  }
 	  
 	  // selection criteria
-	  if ( tpr->matchedHit() >= minHit_ &&   
+	  if ( tpr->numberOfTrackerLayers() >= minHit_ &&   
 	       sqrt(tpr->momentum().perp2()) >= ptMin_ && 
 	       tpr->momentum().eta() >= minRapidity_ && tpr->momentum().eta() <= maxRapidity_ && 
 	       sqrt(tpr->vertex().perp2()) <= tip_ &&
@@ -97,6 +97,8 @@ class HitPixelLayersTPSelector
       {
 	std::vector<bool> hitpattern(5,false); // PXB 0,1,2  PXF 0,1
 	
+#warning "This file has been modified just to get it to compile without any regard as to whether it still functions as intended"
+#ifdef REMOVED_JUST_TO_GET_IT_TO_COMPILE__THIS_CODE_NEEDS_TO_BE_CHECKED
 	for(std::vector<PSimHit>::const_iterator simHit = simTrack->pSimHit_begin();simHit!= simTrack->pSimHit_end();simHit++){
 	  
 	  DetId id = DetId(simHit->detUnitId());
@@ -111,6 +113,7 @@ class HitPixelLayersTPSelector
 	  }
 	  
 	}// end simhit loop
+#endif
 	
 	return hitpattern;
       }
diff --git a/Validation/RecoHI/python/selectSimTracks_cff.py b/Validation/RecoHI/python/selectSimTracks_cff.py
index c38ff1deea670..4442aa26f497c 100644
--- a/Validation/RecoHI/python/selectSimTracks_cff.py
+++ b/Validation/RecoHI/python/selectSimTracks_cff.py
@@ -1,7 +1,7 @@
 import FWCore.ParameterSet.Config as cms
 
 findableSimTracks = cms.EDFilter("HitPixelLayersTPSelection",
-    src = cms.InputTag("mergedtruth","MergedTrackTruth"),
+    src = cms.InputTag("mix","MergedTrackTruth"),
 	tripletSeedOnly = cms.bool(True),
 	chargedOnly = cms.bool(True),
 	signalOnly = cms.bool(False),
@@ -18,7 +18,7 @@
 
 
 primaryChgSimTracks = cms.EDFilter("HitPixelLayersTPSelection",
-    src = cms.InputTag("mergedtruth","MergedTrackTruth"),
+    src = cms.InputTag("mix","MergedTrackTruth"),
           tripletSeedOnly = cms.bool(False),
           chargedOnly = cms.bool(True),
           signalOnly = cms.bool(False),
diff --git a/Validation/RecoMuon/python/MuonTrackValidator_cfi.py b/Validation/RecoMuon/python/MuonTrackValidator_cfi.py
index 8bc27159b8830..a96a91513e6c4 100644
--- a/Validation/RecoMuon/python/MuonTrackValidator_cfi.py
+++ b/Validation/RecoMuon/python/MuonTrackValidator_cfi.py
@@ -5,8 +5,8 @@
 
 muonTrackValidator = cms.EDAnalyzer("MuonTrackValidator",
     # input TrackingParticle collections
-    label_tp_effic = cms.InputTag("mergedtruth","MergedTrackTruth"),
-    label_tp_fake = cms.InputTag("mergedtruth","MergedTrackTruth"),
+    label_tp_effic = cms.InputTag("mix","MergedTrackTruth"),
+    label_tp_fake = cms.InputTag("mix","MergedTrackTruth"),
     # input reco::Track collection
     label = cms.VInputTag(cms.InputTag("globalMuons")),
     # switches to be set according to the input Track collection to properly count SimHits
diff --git a/Validation/RecoMuon/python/RecoMuonValidator_cfi.py b/Validation/RecoMuon/python/RecoMuonValidator_cfi.py
index b44cda0cadcc3..c09f513806ab1 100644
--- a/Validation/RecoMuon/python/RecoMuonValidator_cfi.py
+++ b/Validation/RecoMuon/python/RecoMuonValidator_cfi.py
@@ -8,7 +8,7 @@
 
     usePFMuon = cms.untracked.bool(False),
 
-    simLabel = cms.InputTag("mergedtruth","MergedTrackTruth"),
+    simLabel = cms.InputTag("mix","MergedTrackTruth"),
     muonLabel = cms.InputTag("muons"),
 
     muAssocLabel = cms.InputTag("MuonAssociatorByHits"),
diff --git a/Validation/RecoMuon/python/associators_cff.py b/Validation/RecoMuon/python/associators_cff.py
index 34f74ee4c8a3a..e40dfffaab0c0 100644
--- a/Validation/RecoMuon/python/associators_cff.py
+++ b/Validation/RecoMuon/python/associators_cff.py
@@ -8,13 +8,12 @@
 import SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi
 import SimTracker.TrackAssociation.TrackAssociatorByPosition_cfi
 
-TrackAssociatorByHits = SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi.quickTrackAssociatorByHits.clone()
-TrackAssociatorByHits.ComponentName = 'TrackAssociatorByHits'
+TrackAssociatorByHits = SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi.quickTrackAssociatorByHits.clone( ComponentName = 'TrackAssociatorByHits' )
 
 OnlineTrackAssociatorByHits = SimTracker.TrackAssociation.quickTrackAssociatorByHits_cfi.quickTrackAssociatorByHits.clone()
 OnlineTrackAssociatorByHits.ComponentName = 'OnlineTrackAssociatorByHits'
-#OnlineTrackAssociatorByHits.UseGrouped = False
-#OnlineTrackAssociatorByHits.UseSplitting = False
+OnlineTrackAssociatorByHits.UseGrouped = cms.bool(False)
+OnlineTrackAssociatorByHits.UseSplitting = cms.bool(False)
 OnlineTrackAssociatorByHits.ThreeHitTracksAreSpecial = False
 
 TrackAssociatorByPosDeltaR = SimTracker.TrackAssociation.TrackAssociatorByPosition_cfi.TrackAssociatorByPosition.clone()
@@ -39,95 +38,95 @@
 
 tpToTkmuTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByHits'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('generalTracks')
 )
 
 tpToStaTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('standAloneMuons','')
 )
 
 tpToStaUpdTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('standAloneMuons','UpdatedAtVtx')
 )
 
 tpToGlbTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('extractedGlobalMuons')
 )
 
 tpToStaSETTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('standAloneSETMuons','')
 )
 
 tpToStaSETUpdTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('standAloneSETMuons','UpdatedAtVtx')
 )
 
 tpToGlbSETTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('globalSETMuons')
 )
 
 tpToTevFirstTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('tevMuons','firstHit')
 )
 
 tpToTevPickyTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('tevMuons','picky')
 )
 tpToTevDytTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('tevMuons','dyt')
 )
 
 tpToL2TrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('hltL2Muons','')
 )
 
 tpToL2UpdTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('hltL2Muons','UpdatedAtVtx')
 )
 
 tpToL3TrackAssociation = cms.EDProducer("TrackAssociatorEDProducer",
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('hltL3Muons')
 )
 
 tpToL3TkTrackTrackAssociation = cms.EDProducer("TrackAssociatorEDProducer",
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('OnlineTrackAssociatorByHits'),
-    label_tp = cms.InputTag('mergedtruth','MergedTrackTruth'),
+    label_tp = cms.InputTag('mix','MergedTrackTruth'),
     label_tr = cms.InputTag('hltL3TkTracksFromL2','')
 )
 
 tpToL3L2TrackTrackAssociation = cms.EDProducer("TrackAssociatorEDProducer",
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('OnlineTrackAssociatorByHits'),
-    label_tp = cms.InputTag('mergedtruth','MergedTrackTruth'),
+    label_tp = cms.InputTag('mix','MergedTrackTruth'),
     label_tr = cms.InputTag('hltL3Muons:L2Seeded')
 )
 
@@ -153,67 +152,67 @@
 tpToL2UpdMuonAssociation = SimMuon.MCTruth.MuonAssociatorByHits_cfi.muonAssociatorByHits.clone()
 tpToL3MuonAssociation = SimMuon.MCTruth.MuonAssociatorByHits_cfi.muonAssociatorByHits.clone()
 
-tpToTkMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTkMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToTkMuonAssociation.tracksTag = 'generalTracks'
 tpToTkMuonAssociation.UseTracker = True
 tpToTkMuonAssociation.UseMuon = False
 
-tpToStaMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToStaMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToStaMuonAssociation.tracksTag = 'standAloneMuons'
 tpToStaMuonAssociation.UseTracker = False
 tpToStaMuonAssociation.UseMuon = True
 
-tpToStaUpdMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToStaUpdMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToStaUpdMuonAssociation.tracksTag = 'standAloneMuons:UpdatedAtVtx'
 tpToStaUpdMuonAssociation.UseTracker = False
 tpToStaUpdMuonAssociation.UseMuon = True
 
-tpToGlbMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToGlbMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToGlbMuonAssociation.tracksTag = 'extractedGlobalMuons'
 tpToGlbMuonAssociation.UseTracker = True
 tpToGlbMuonAssociation.UseMuon = True
 
-tpToStaRefitMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToStaRefitMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToStaRefitMuonAssociation.tracksTag = 'refittedStandAloneMuons'
 tpToStaRefitMuonAssociation.UseTracker = False
 tpToStaRefitMuonAssociation.UseMuon = True
 
-tpToStaRefitUpdMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToStaRefitUpdMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToStaRefitUpdMuonAssociation.tracksTag = 'refittedStandAloneMuons:UpdatedAtVtx'
 tpToStaRefitUpdMuonAssociation.UseTracker = False
 tpToStaRefitUpdMuonAssociation.UseMuon = True
 
-tpToStaSETMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToStaSETMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToStaSETMuonAssociation.tracksTag = 'standAloneSETMuons'
 tpToStaSETMuonAssociation.UseTracker = False
 tpToStaSETMuonAssociation.UseMuon = True
 
-tpToStaSETUpdMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToStaSETUpdMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToStaSETUpdMuonAssociation.tracksTag = 'standAloneSETMuons:UpdatedAtVtx'
 tpToStaSETUpdMuonAssociation.UseTracker = False
 tpToStaSETUpdMuonAssociation.UseMuon = True
 
-tpToGlbSETMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToGlbSETMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToGlbSETMuonAssociation.tracksTag = 'globalSETMuons'
 tpToGlbSETMuonAssociation.UseTracker = True
 tpToGlbSETMuonAssociation.UseMuon = True
 
-tpToTevFirstMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTevFirstMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToTevFirstMuonAssociation.tracksTag = 'tevMuons:firstHit'
 tpToTevFirstMuonAssociation.UseTracker = True
 tpToTevFirstMuonAssociation.UseMuon = True
 
-tpToTevPickyMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTevPickyMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToTevPickyMuonAssociation.tracksTag = 'tevMuons:picky'
 tpToTevPickyMuonAssociation.UseTracker = True
 tpToTevPickyMuonAssociation.UseMuon = True
 
-tpToTevDytMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTevDytMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToTevDytMuonAssociation.tracksTag = 'tevMuons:dyt'
 tpToTevDytMuonAssociation.UseTracker = True
 tpToTevDytMuonAssociation.UseMuon = True
 
-tpToL3TkMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToL3TkMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToL3TkMuonAssociation.tracksTag = 'hltL3TkTracksFromL2'
 tpToL3TkMuonAssociation.DTrechitTag = 'hltDt1DRecHits'
 tpToL3TkMuonAssociation.UseTracker = True
@@ -222,21 +221,21 @@
 tpToL3TkMuonAssociation.UseSplitting = False
 tpToL3TkMuonAssociation.UseGrouped = False
 
-tpToL2MuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToL2MuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToL2MuonAssociation.tracksTag = 'hltL2Muons'
 tpToL2MuonAssociation.DTrechitTag = 'hltDt1DRecHits'
 tpToL2MuonAssociation.UseTracker = False
 tpToL2MuonAssociation.UseMuon = True
 tpToL2MuonAssociation.ignoreMissingTrackCollection = True
 
-tpToL2UpdMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToL2UpdMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToL2UpdMuonAssociation.tracksTag = 'hltL2Muons:UpdatedAtVtx'
 tpToL2UpdMuonAssociation.DTrechitTag = 'hltDt1DRecHits'
 tpToL2UpdMuonAssociation.UseTracker = False
 tpToL2UpdMuonAssociation.UseMuon = True
 tpToL2UpdMuonAssociation.ignoreMissingTrackCollection = True
 
-tpToL3MuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToL3MuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToL3MuonAssociation.tracksTag = 'hltL3Muons'
 tpToL3MuonAssociation.DTrechitTag = 'hltDt1DRecHits'
 tpToL3MuonAssociation.UseTracker = True
@@ -251,19 +250,19 @@
 
 tpToTkCosmicTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByHits'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('ctfWithMaterialTracksP5LHCNavigation')
 )
 
 tpToStaCosmicTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('cosmicMuons')
 )
 
 tpToGlbCosmicTrackAssociation = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('globalCosmicMuons')
 )
 
@@ -271,17 +270,17 @@
 tpToStaCosmicMuonAssociation = SimMuon.MCTruth.MuonAssociatorByHits_cfi.muonAssociatorByHits.clone()
 tpToGlbCosmicMuonAssociation = SimMuon.MCTruth.MuonAssociatorByHits_cfi.muonAssociatorByHits.clone()
 
-tpToTkCosmicMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTkCosmicMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToTkCosmicMuonAssociation.tracksTag = 'ctfWithMaterialTracksP5LHCNavigation'
 tpToTkCosmicMuonAssociation.UseTracker = True
 tpToTkCosmicMuonAssociation.UseMuon = False
 
-tpToStaCosmicMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToStaCosmicMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToStaCosmicMuonAssociation.tracksTag = 'cosmicMuons'
 tpToStaCosmicMuonAssociation.UseTracker = False
 tpToStaCosmicMuonAssociation.UseMuon = True
 
-tpToGlbCosmicMuonAssociation.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToGlbCosmicMuonAssociation.tpTag = 'mix:MergedTrackTruth'
 tpToGlbCosmicMuonAssociation.tracksTag = 'globalCosmicMuons'
 tpToGlbCosmicMuonAssociation.UseTracker = True
 tpToGlbCosmicMuonAssociation.UseMuon = True
@@ -324,78 +323,78 @@
 
 tpToTkmuTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByHits'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('generalTracks')
 )
 
 tpToStaTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruthMuon', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('standAloneMuons','')
 )
 
 tpToStaUpdTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruthMuon', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('standAloneMuons','UpdatedAtVtx')
 )
 
 tpToGlbTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('extractedGlobalMuons')
 )
 
 tpToTevFirstTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('tevMuons','firstHit')
 )
 
 tpToTevPickyTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('tevMuons','picky')
 )
 
 tpToTevDytTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('tevMuons','dyt')
 )
 
 tpToL2TrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruthMuon', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('hltL2Muons','')
 )
 
 tpToL2UpdTrackAssociationFS = cms.EDProducer('TrackAssociatorEDProducer',
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruthMuon', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('hltL2Muons','UpdatedAtVtx')
 )
 
 tpToL3TrackAssociationFS = cms.EDProducer("TrackAssociatorEDProducer",
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('TrackAssociatorByDeltaR'),
-    label_tp = cms.InputTag('mergedtruth', 'MergedTrackTruth'),
+    label_tp = cms.InputTag('mix', 'MergedTrackTruth'),
     label_tr = cms.InputTag('hltL3Muons')
 )
 
 tpToL3TkTrackTrackAssociationFS = cms.EDProducer("TrackAssociatorEDProducer",
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('OnlineTrackAssociatorByHits'),
-    label_tp = cms.InputTag('mergedtruth','MergedTrackTruth'),
+    label_tp = cms.InputTag('mix','MergedTrackTruth'),
     label_tr = cms.InputTag('hltL3TkTracksFromL2','')
 )
 
 tpToL3L2TrackTrackAssociationFS = cms.EDProducer("TrackAssociatorEDProducer",
     ignoremissingtrackcollection=cms.untracked.bool(True),
     associator = cms.string('OnlineTrackAssociatorByHits'),
-    label_tp = cms.InputTag('mergedtruth','MergedTrackTruth'),
+    label_tp = cms.InputTag('mix','MergedTrackTruth'),
     label_tr = cms.InputTag('hltL3Muons:L2Seeded')
 )
 
@@ -404,7 +403,7 @@
 import SimMuon.MCTruth.MuonAssociatorByHits_cfi
 
 baseMuonAssociatorFS = SimMuon.MCTruth.MuonAssociatorByHits_cfi.muonAssociatorByHits.clone()
-baseMuonAssociatorFS.tpTag = 'mergedtruthMuon:MergedTrackTruth'
+baseMuonAssociatorFS.tpTag = 'mix:MergedTrackTruth'
 baseMuonAssociatorFS.UseTracker = True
 baseMuonAssociatorFS.UseMuon = True
 baseMuonAssociatorFS.simtracksTag = "famosSimHits"
@@ -433,7 +432,7 @@
 tpToL3MuonAssociationFS   = baseMuonAssociatorFS.clone()
 
 tpToTkMuonAssociationFS.tracksTag = 'generalTracks'
-tpToTkMuonAssociationFS.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTkMuonAssociationFS.tpTag = 'mix:MergedTrackTruth'
 tpToTkMuonAssociationFS.UseTracker = True
 tpToTkMuonAssociationFS.UseMuon = False
 
@@ -454,27 +453,27 @@
 tpToStaRefitUpdMuonAssociationFS.UseMuon = True
 
 tpToGlbMuonAssociationFS.tracksTag = 'extractedGlobalMuons'
-tpToGlbMuonAssociationFS.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToGlbMuonAssociationFS.tpTag = 'mix:MergedTrackTruth'
 tpToGlbMuonAssociationFS.UseTracker = True
 tpToGlbMuonAssociationFS.UseMuon = True
 
 tpToTevFirstMuonAssociationFS.tracksTag = 'tevMuons:firstHit'
-tpToTevFirstMuonAssociationFS.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTevFirstMuonAssociationFS.tpTag = 'mix:MergedTrackTruth'
 tpToTevFirstMuonAssociationFS.UseTracker = True
 tpToTevFirstMuonAssociationFS.UseMuon = True
 
 tpToTevPickyMuonAssociationFS.tracksTag = 'tevMuons:picky'
-tpToTevPickyMuonAssociationFS.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTevPickyMuonAssociationFS.tpTag = 'mix:MergedTrackTruth'
 tpToTevPickyMuonAssociationFS.UseTracker = True
 tpToTevPickyMuonAssociationFS.UseMuon = True
 
 tpToTevDytMuonAssociationFS.tracksTag = 'tevMuons:dyt'
-tpToTevDytMuonAssociationFS.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToTevDytMuonAssociationFS.tpTag = 'mix:MergedTrackTruth'
 tpToTevDytMuonAssociationFS.UseTracker = True
 tpToTevDytMuonAssociationFS.UseMuon = True
 
 tpToL3TkMuonAssociationFS.tracksTag = 'hltL3TkTracksFromL2'
-tpToL3TkMuonAssociationFS.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToL3TkMuonAssociationFS.tpTag = 'mix:MergedTrackTruth'
 tpToL3TkMuonAssociationFS.UseTracker = True
 tpToL3TkMuonAssociationFS.UseMuon = False
 tpToL3TkMuonAssociationFS.ignoreMissingTrackCollection = True
@@ -492,7 +491,7 @@
 tpToL2UpdMuonAssociationFS.ignoreMissingTrackCollection = True
 
 tpToL3MuonAssociationFS.tracksTag = 'hltL3Muons'
-tpToL3MuonAssociationFS.tpTag = 'mergedtruth:MergedTrackTruth'
+tpToL3MuonAssociationFS.tpTag = 'mix:MergedTrackTruth'
 tpToL3MuonAssociationFS.UseTracker = True
 tpToL3MuonAssociationFS.UseMuon = True
 tpToL3MuonAssociationFS.ignoreMissingTrackCollection = True
diff --git a/Validation/RecoMuon/python/muonValidationFastSim_cff.py b/Validation/RecoMuon/python/muonValidationFastSim_cff.py
index b1a9307d9f4b1..86b123a5de1c8 100644
--- a/Validation/RecoMuon/python/muonValidationFastSim_cff.py
+++ b/Validation/RecoMuon/python/muonValidationFastSim_cff.py
@@ -13,99 +13,99 @@
 #staMuonTrackVTrackAssocFS = Validation.RecoMuon.muonValidation_cff.staMuonTrackVTrackAssoc.clone()
 staMuonTrackVTrackAssocFS = staMuonTrackVTrackAssoc.clone()
 staMuonTrackVTrackAssocFS.associatormap = 'tpToStaTrackAssociationFS'
-staMuonTrackVTrackAssocFS.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-staMuonTrackVTrackAssocFS.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+staMuonTrackVTrackAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+staMuonTrackVTrackAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import staUpdMuonTrackVTrackAssoc
 
 staUpdMuonTrackVTrackAssocFS = staUpdMuonTrackVTrackAssoc.clone()
 staUpdMuonTrackVTrackAssocFS.associatormap = 'tpToStaUpdTrackAssociationFS'
-staUpdMuonTrackVTrackAssocFS.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-staUpdMuonTrackVTrackAssocFS.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+staUpdMuonTrackVTrackAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+staUpdMuonTrackVTrackAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import glbMuonTrackVTrackAssoc
 
 glbMuonTrackVTrackAssocFS = glbMuonTrackVTrackAssoc.clone()
 glbMuonTrackVTrackAssocFS.associatormap = 'tpToGlbTrackAssociationFS'
-glbMuonTrackVTrackAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-glbMuonTrackVTrackAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+glbMuonTrackVTrackAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+glbMuonTrackVTrackAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import tevMuonFirstTrackVTrackAssoc
 
 tevMuonFirstTrackVTrackAssocFS = tevMuonFirstTrackVTrackAssoc.clone()
 tevMuonFirstTrackVTrackAssocFS.associatormap = 'tpToTevFirstTrackAssociationFS'
-tevMuonFirstTrackVTrackAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-tevMuonFirstTrackVTrackAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+tevMuonFirstTrackVTrackAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+tevMuonFirstTrackVTrackAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import tevMuonPickyTrackVTrackAssoc
 
 tevMuonPickyTrackVTrackAssocFS = tevMuonPickyTrackVTrackAssoc.clone()
 tevMuonPickyTrackVTrackAssocFS.associatormap = 'tpToTevPickyTrackAssociationFS'
-tevMuonPickyTrackVTrackAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-tevMuonPickyTrackVTrackAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+tevMuonPickyTrackVTrackAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+tevMuonPickyTrackVTrackAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import tevMuonDytTrackVTrackAssoc
 
 tevMuonDytTrackVTrackAssocFS = tevMuonDytTrackVTrackAssoc.clone()
 tevMuonDytTrackVTrackAssocFS.associatormap = 'tpToTevDytTrackAssociationFS'
-tevMuonDytTrackVTrackAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-tevMuonDytTrackVTrackAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+tevMuonDytTrackVTrackAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+tevMuonDytTrackVTrackAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import staMuonTrackVMuonAssoc
 
 staMuonTrackVMuonAssocFS = staMuonTrackVMuonAssoc.clone()
 staMuonTrackVMuonAssocFS.associatormap = 'tpToStaMuonAssociationFS'
-staMuonTrackVMuonAssocFS.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-staMuonTrackVMuonAssocFS.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+staMuonTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+staMuonTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import staUpdMuonTrackVMuonAssoc
 
 staUpdMuonTrackVMuonAssocFS = staUpdMuonTrackVMuonAssoc.clone()
 staUpdMuonTrackVMuonAssocFS.associatormap = 'tpToStaUpdMuonAssociationFS'
-staUpdMuonTrackVMuonAssocFS.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-staUpdMuonTrackVMuonAssocFS.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+staUpdMuonTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+staUpdMuonTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import staRefitMuonTrackVMuonAssoc
 
 staRefitMuonTrackVMuonAssocFS = staRefitMuonTrackVMuonAssoc.clone()
 staRefitMuonTrackVMuonAssocFS.associatormap = 'tpToStaRefitMuonAssociationFS'
-staRefitMuonTrackVMuonAssocFS.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-staRefitMuonTrackVMuonAssocFS.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+staRefitMuonTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+staRefitMuonTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import staRefitUpdMuonTrackVMuonAssoc
 
 staRefitUpdMuonTrackVMuonAssocFS = staRefitUpdMuonTrackVMuonAssoc.clone()
 staRefitUpdMuonTrackVMuonAssocFS.associatormap = 'tpToStaRefitUpdMuonAssociationFS'
-staRefitUpdMuonTrackVMuonAssocFS.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-staRefitUpdMuonTrackVMuonAssocFS.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+staRefitUpdMuonTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+staRefitUpdMuonTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import glbMuonTrackVMuonAssoc
 
 glbMuonTrackVMuonAssocFS = glbMuonTrackVMuonAssoc.clone()
 glbMuonTrackVMuonAssocFS.associatormap = 'tpToGlbMuonAssociationFS'
-glbMuonTrackVMuonAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-glbMuonTrackVMuonAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+glbMuonTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+glbMuonTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import tevMuonFirstTrackVMuonAssoc
 
 tevMuonFirstTrackVMuonAssocFS = tevMuonFirstTrackVMuonAssoc.clone()
 tevMuonFirstTrackVMuonAssocFS.associatormap = 'tpToTevFirstMuonAssociationFS'
-tevMuonFirstTrackVMuonAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-tevMuonFirstTrackVMuonAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+tevMuonFirstTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+tevMuonFirstTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import tevMuonPickyTrackVMuonAssoc
 
 tevMuonPickyTrackVMuonAssocFS = tevMuonPickyTrackVMuonAssoc.clone()
 tevMuonPickyTrackVMuonAssocFS.associatormap = 'tpToTevPickyMuonAssociationFS'
-tevMuonPickyTrackVMuonAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-tevMuonPickyTrackVMuonAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+tevMuonPickyTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+tevMuonPickyTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 from Validation.RecoMuon.muonValidation_cff import tevMuonDytTrackVMuonAssoc
 
 tevMuonDytTrackVMuonAssocFS = tevMuonDytTrackVMuonAssoc.clone()
 tevMuonDytTrackVMuonAssocFS.associatormap = 'tpToTevDytMuonAssociationFS'
-tevMuonDytTrackVMuonAssocFS.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-tevMuonDytTrackVMuonAssocFS.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+tevMuonDytTrackVMuonAssocFS.label_tp_effic = 'mix:MergedTrackTruth'
+tevMuonDytTrackVMuonAssocFS.label_tp_fake = 'mix:MergedTrackTruth'
 
 # Configurations for RecoMuonValidators
 from Validation.RecoMuon.muonValidation_cff import *
diff --git a/Validation/RecoMuon/python/muonValidationHLTFastSim_cff.py b/Validation/RecoMuon/python/muonValidationHLTFastSim_cff.py
index d72a66415a8c1..62a5287ba86d9 100644
--- a/Validation/RecoMuon/python/muonValidationHLTFastSim_cff.py
+++ b/Validation/RecoMuon/python/muonValidationHLTFastSim_cff.py
@@ -6,50 +6,50 @@
 
 l2MuonTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l2MuonTrackV.clone()
 l2MuonTrackFSV.associatormap = 'tpToL2TrackAssociationFS'
-l2MuonTrackFSV.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-l2MuonTrackFSV.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+l2MuonTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l2MuonTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l2MuonTrackFSV.beamSpot = 'offlineBeamSpot'
 
 l2UpdMuonTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l2UpdMuonTrackV.clone()
 l2UpdMuonTrackFSV.associatormap = 'tpToL2UpdTrackAssociationFS'
-l2UpdMuonTrackFSV.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-l2UpdMuonTrackFSV.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+l2UpdMuonTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l2UpdMuonTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l2UpdMuonTrackFSV.beamSpot = 'offlineBeamSpot'
 
 l3TkMuonTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l3TkMuonTrackV.clone()
 l3TkMuonTrackFSV.associatormap = 'tpToL3TkTrackTrackAssociationFS'
-l3TkMuonTrackFSV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-l3TkMuonTrackFSV.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+l3TkMuonTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l3TkMuonTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l3TkMuonTrackFSV.beamSpot = 'offlineBeamSpot'
 
 l3MuonTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l3MuonTrackV.clone()
 l3MuonTrackFSV.associatormap = 'tpToL3TrackAssociationFS'
-l3MuonTrackFSV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-l3MuonTrackFSV.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+l3MuonTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l3MuonTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l3MuonTrackFSV.beamSpot = 'offlineBeamSpot'
 
 l2MuonMuTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l2MuonMuTrackV.clone()
 l2MuonMuTrackFSV.associatormap = 'tpToL2MuonAssociationFS'
-l2MuonMuTrackFSV.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-l2MuonMuTrackFSV.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+l2MuonMuTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l2MuonMuTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l2MuonMuTrackFSV.beamSpot = 'offlineBeamSpot'
 
 l2UpdMuonMuTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l2UpdMuonMuTrackV.clone()
 l2UpdMuonMuTrackFSV.associatormap = 'tpToL2UpdMuonAssociationFS'
-l2UpdMuonMuTrackFSV.label_tp_effic = 'mergedtruthMuon:MergedTrackTruth'
-l2UpdMuonMuTrackFSV.label_tp_fake = 'mergedtruthMuon:MergedTrackTruth'
+l2UpdMuonMuTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l2UpdMuonMuTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l2UpdMuonMuTrackFSV.beamSpot = 'offlineBeamSpot'
 
 l3TkMuonMuTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l3TkMuonMuTrackV.clone()
 l3TkMuonMuTrackFSV.associatormap = 'tpToL3TkMuonAssociationFS'
-l3TkMuonMuTrackFSV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-l3TkMuonMuTrackFSV.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+l3TkMuonMuTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l3TkMuonMuTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l3TkMuonMuTrackFSV.beamSpot = 'offlineBeamSpot'
 
 l3MuonMuTrackFSV = Validation.RecoMuon.muonValidationHLT_cff.l3MuonMuTrackV.clone()
 l3MuonMuTrackFSV.associatormap = 'tpToL3MuonAssociationFS'
-l3MuonMuTrackFSV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
-l3MuonMuTrackFSV.label_tp_fake = 'mergedtruth:MergedTrackTruth'
+l3MuonMuTrackFSV.label_tp_effic = 'mix:MergedTrackTruth'
+l3MuonMuTrackFSV.label_tp_fake = 'mix:MergedTrackTruth'
 l3MuonMuTrackFSV.beamSpot = 'offlineBeamSpot'
 
 # # Muon validation sequence
diff --git a/Validation/RecoMuon/python/muonValidationHLT_cff.py b/Validation/RecoMuon/python/muonValidationHLT_cff.py
index ff5774d0121ce..0a39cd400f8e5 100644
--- a/Validation/RecoMuon/python/muonValidationHLT_cff.py
+++ b/Validation/RecoMuon/python/muonValidationHLT_cff.py
@@ -7,7 +7,7 @@
 import Validation.RecoMuon.MuonTrackValidator_cfi
 
 l2MuonTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l2MuonTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l2MuonTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l2MuonTrackV.label = ('hltL2Muons',)
 l2MuonTrackV.associatormap = 'tpToL2TrackAssociation'
 l2MuonTrackV.associators = ('TrackAssociatorByDeltaR',)
@@ -18,7 +18,7 @@
 l2MuonTrackV.usemuon = True
 
 l2UpdMuonTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l2UpdMuonTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l2UpdMuonTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l2UpdMuonTrackV.label = ('hltL2Muons:UpdatedAtVtx',)
 l2UpdMuonTrackV.associatormap = 'tpToL2UpdTrackAssociation'
 l2UpdMuonTrackV.associators = ('TrackAssociatorByDeltaR',)
@@ -29,7 +29,7 @@
 l2UpdMuonTrackV.usemuon = True
 
 l3MuonTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l3MuonTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l3MuonTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l3MuonTrackV.associatormap = 'tpToL3TrackAssociation'
 l3MuonTrackV.label = ('hltL3Muons',)
 l3MuonTrackV.associators = ('TrackAssociatorByDeltaR',)
@@ -40,7 +40,7 @@
 l3MuonTrackV.usemuon = True
 
 l3TkMuonTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l3TkMuonTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l3TkMuonTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l3TkMuonTrackV.associatormap = 'tpToL3TkTrackTrackAssociation'
 l3TkMuonTrackV.label = ('hltL3TkTracksFromL2',)
 l3TkMuonTrackV.associators = ('OnlineTrackAssociatorByHits',)
@@ -51,7 +51,7 @@
 l3TkMuonTrackV.usemuon = False
 
 l3TkMuonMuTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l3TkMuonMuTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l3TkMuonMuTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l3TkMuonMuTrackV.associatormap = 'tpToL3TkMuonAssociation'
 l3TkMuonMuTrackV.label = ('hltL3TkTracksFromL2:',)
 l3TkMuonMuTrackV.associators = ('MuonAssociationByHits',)
@@ -62,7 +62,7 @@
 l3TkMuonMuTrackV.usemuon = False
 
 l2MuonMuTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l2MuonMuTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l2MuonMuTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l2MuonMuTrackV.associatormap = 'tpToL2MuonAssociation'
 l2MuonMuTrackV.label = ('hltL2Muons',)
 l2MuonMuTrackV.associators = ('MuonAssociationByHits',)
@@ -73,7 +73,7 @@
 l2MuonMuTrackV.usemuon = True
 
 l2UpdMuonMuTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l2UpdMuonMuTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l2UpdMuonMuTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l2UpdMuonMuTrackV.associatormap = 'tpToL2UpdMuonAssociation'
 l2UpdMuonMuTrackV.label = ('hltL2Muons:UpdatedAtVtx',)
 l2UpdMuonMuTrackV.associators = ('MuonAssociationByHits',)
@@ -84,7 +84,7 @@
 l2UpdMuonMuTrackV.usemuon = True
 
 l3MuonMuTrackV = Validation.RecoMuon.MuonTrackValidator_cfi.muonTrackValidator.clone()
-l3MuonMuTrackV.label_tp_effic = 'mergedtruth:MergedTrackTruth'
+l3MuonMuTrackV.label_tp_effic = 'mix:MergedTrackTruth'
 l3MuonMuTrackV.associatormap = 'tpToL3MuonAssociation'
 l3MuonMuTrackV.label = ('hltL3Muons:',)
 l3MuonMuTrackV.associators = ('MuonAssociationByHits',)
diff --git a/Validation/RecoMuon/python/muonValidation_cff.py b/Validation/RecoMuon/python/muonValidation_cff.py
index 4d743e29e06bf..7da05031057d6 100644
--- a/Validation/RecoMuon/python/muonValidation_cff.py
+++ b/Validation/RecoMuon/python/muonValidation_cff.py
@@ -204,7 +204,7 @@
 muonAssociatorByHitsESProducerNoSimHits_trk.UseMuon  = False
 recoMuonVMuAssoc_trk = Validation.RecoMuon.RecoMuonValidator_cfi.recoMuonValidator.clone()
 recoMuonVMuAssoc_trk.subDir = 'Muons/RecoMuonV/RecoMuon_MuonAssoc_Trk'
-recoMuonVMuAssoc_trk.simLabel = 'mergedtruth:MergedTrackTruth'
+recoMuonVMuAssoc_trk.simLabel = 'mix:MergedTrackTruth'
 recoMuonVMuAssoc_trk.muAssocLabel = 'muonAssociatorByHits_NoSimHits_tracker'
 recoMuonVMuAssoc_trk.trackType = 'inner'
 recoMuonVMuAssoc_trk.selection = "isTrackerMuon"
@@ -217,7 +217,7 @@
 recoMuonVMuAssoc_trkPF = Validation.RecoMuon.RecoMuonValidator_cfi.recoMuonValidator.clone()
 recoMuonVMuAssoc_trkPF.subDir = 'Muons/RecoMuonV/RecoMuon_MuonAssoc_TrkPF'
 recoMuonVMuAssoc_trkPF.usePFMuon = True
-recoMuonVMuAssoc_trkPF.simLabel = 'mergedtruth:MergedTrackTruth'
+recoMuonVMuAssoc_trkPF.simLabel = 'mix:MergedTrackTruth'
 recoMuonVMuAssoc_trkPF.muAssocLabel = 'muonAssociatorByHits_NoSimHits_trackerPF'
 recoMuonVMuAssoc_trkPF.trackType = 'inner'
 recoMuonVMuAssoc_trkPF.selection = "isTrackerMuon & isPFMuon"
@@ -229,7 +229,7 @@
 muonAssociatorByHitsESProducerNoSimHits_sta.UseMuon  = True
 recoMuonVMuAssoc_sta = Validation.RecoMuon.RecoMuonValidator_cfi.recoMuonValidator.clone()
 recoMuonVMuAssoc_sta.subDir = 'Muons/RecoMuonV/RecoMuon_MuonAssoc_Sta'
-recoMuonVMuAssoc_sta.simLabel = 'mergedtruth:MergedTrackTruth'
+recoMuonVMuAssoc_sta.simLabel = 'mix:MergedTrackTruth'
 recoMuonVMuAssoc_sta.muAssocLabel = 'muonAssociatorByHits_NoSimHits_standalone'
 recoMuonVMuAssoc_sta.trackType = 'outer'
 recoMuonVMuAssoc_sta.selection = "isStandAloneMuon"
@@ -242,7 +242,7 @@
 recoMuonVMuAssoc_staPF = Validation.RecoMuon.RecoMuonValidator_cfi.recoMuonValidator.clone()
 recoMuonVMuAssoc_staPF.subDir = 'Muons/RecoMuonV/RecoMuon_MuonAssoc_StaPF'
 recoMuonVMuAssoc_staPF.usePFMuon = True
-recoMuonVMuAssoc_staPF.simLabel = 'mergedtruth:MergedTrackTruth'
+recoMuonVMuAssoc_staPF.simLabel = 'mix:MergedTrackTruth'
 recoMuonVMuAssoc_staPF.muAssocLabel = 'muonAssociatorByHits_NoSimHits_standalonePF'
 recoMuonVMuAssoc_staPF.trackType = 'outer'
 recoMuonVMuAssoc_staPF.selection = "isStandAloneMuon & isPFMuon"
@@ -254,7 +254,7 @@
 muonAssociatorByHitsESProducerNoSimHits_glb.UseMuon  = True
 recoMuonVMuAssoc_glb = Validation.RecoMuon.RecoMuonValidator_cfi.recoMuonValidator.clone()
 recoMuonVMuAssoc_glb.subDir = 'Muons/RecoMuonV/RecoMuon_MuonAssoc_Glb'
-recoMuonVMuAssoc_glb.simLabel = 'mergedtruth:MergedTrackTruth'
+recoMuonVMuAssoc_glb.simLabel = 'mix:MergedTrackTruth'
 recoMuonVMuAssoc_glb.muAssocLabel = 'muonAssociatorByHits_NoSimHits_global'
 recoMuonVMuAssoc_glb.trackType = 'global'
 recoMuonVMuAssoc_glb.selection = "isGlobalMuon"
@@ -267,7 +267,7 @@
 recoMuonVMuAssoc_glbPF = Validation.RecoMuon.RecoMuonValidator_cfi.recoMuonValidator.clone()
 recoMuonVMuAssoc_glbPF.subDir = 'Muons/RecoMuonV/RecoMuon_MuonAssoc_GlbPF'
 recoMuonVMuAssoc_glbPF.usePFMuon = True
-recoMuonVMuAssoc_glbPF.simLabel = 'mergedtruth:MergedTrackTruth'
+recoMuonVMuAssoc_glbPF.simLabel = 'mix:MergedTrackTruth'
 recoMuonVMuAssoc_glbPF.muAssocLabel = 'muonAssociatorByHits_NoSimHits_globalPF'
 recoMuonVMuAssoc_glbPF.trackType = 'global'
 recoMuonVMuAssoc_glbPF.selection = "isGlobalMuon & isPFMuon"
@@ -279,7 +279,7 @@
 muonAssociatorByHitsESProducerNoSimHits_tgt.UseMuon  = True
 recoMuonVMuAssoc_tgt = Validation.RecoMuon.RecoMuonValidator_cfi.recoMuonValidator.clone()
 recoMuonVMuAssoc_tgt.subDir = 'Muons/RecoMuonV/RecoMuon_MuonAssoc_Tgt'
-recoMuonVMuAssoc_tgt.simLabel = 'mergedtruth:MergedTrackTruth'
+recoMuonVMuAssoc_tgt.simLabel = 'mix:MergedTrackTruth'
 recoMuonVMuAssoc_tgt.muAssocLabel = 'muonAssociatorByHits_NoSimHits_tight'
 recoMuonVMuAssoc_tgt.trackType = 'global'
 recoMuonVMuAssoc_tgt.selection = 'isGlobalMuon'
diff --git a/Validation/RecoMuon/python/selectors_cff.py b/Validation/RecoMuon/python/selectors_cff.py
index 16203a888b3f3..c3d7cf694dd45 100644
--- a/Validation/RecoMuon/python/selectors_cff.py
+++ b/Validation/RecoMuon/python/selectors_cff.py
@@ -2,7 +2,7 @@
 
 # TrackingParticle (MC truth) selectors
 muonTPSet = cms.PSet(
-    src = cms.InputTag("mergedtruth", "MergedTrackTruth"),
+    src = cms.InputTag("mix", "MergedTrackTruth"),
     pdgId = cms.vint32(13, -13),
     tip = cms.double(3.5),
     lip = cms.double(30.0),