The reason I asked was, if the shows are reasonably well know, there is a good chance that there are midi tracks available for the songs. In terms of getting started to produce a song for the BB, it will be easier with your initial efforts to learn how to convert a midi file to a BB song. This is what Persist does for his one press songs that are found here in the User area, and its what I did for many of my songs in the user area.
We both have tutorials available on that process. Persist did his for Reaper; I did mine for Logic Pro X.
mine:
Persist’s:
See if those help you at all, and then get back with your new questions, which I’m sure you’ll have. Good luck!