Fair use encompasses a lot of possible scenarios involving copyrighted works which may or may not be commercially licensed: transformative derivative works, short excerpts for purposes of commentary, backups of copies obtained legally, playback for face-to-face instruction, etc.
Fair use encompasses a lot of possible scenarios involving copyrighted works which may or may not be commercially licensed: transformative derivative works, short excerpts for purposes of commentary, backups of copies obtained legally, playback for face-to-face instruction, etc.