By now you should have read the first four sections of Baase chapter 1 and the first three sections of chapter 4.
Music Sampling: finish with the Amen Break
Transformative Use; Kelly and Perfect 10
Cariou v Prince
Now go back to the top for the RIAA lawsuit saga and the Sony case.
Then on to the Napster model and Film
http://pld.cs.luc.edu/courses/ethics/spr18/mnotes/copyright_laws.html#film_napster
DMCA
Viacom v YouTube
Server-based filesharing
Google Books