ChoCo follows a dual licence scheme to comply with the data sharing strategies of the original collections. Data and code are released under the Attribution 4.0 International (CC BY 4.0), with the exception of data derived from Chordify Annotator Subjectivity Dataset, Mozart Piano Sonata, and Jazz Audio-Aligned Harmony data. The latter are released under the Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0).