If I sing a song copyright belongs to author. If I play a music copyright belongs to author. If I read book copyright belongs to author. If I draw a character c

If I sing a song copyright belongs to author. If I play a music copyright belongs to author. If I read book copyright belongs to author. If I draw a character copyright belongs to author. If I play a scene copyright belongs to author. Obviously there is a difference between copyright and infringement. Or DMCA should take down playgrounds. Can one make a business by printing copyrighted music score/tabs? No. Can one educate playing music with copyrighted tabs? Yes, fair use allows with limitations [1], somewhat similar to libraries not ready for digital age. [1] https://nafme.org/my-classroom/copyright/copyright-law-what-music-teachers-need-to-know/ https://nafme.org/my-classroom/copyright/copyright-law-what-...