- pick two (2) copyrights for contemporary American musical works that have incorporated material in the public domain. - two (2) copyrights for contemporary music works that are derivative works - one (1) copyright for an original commercial/jingle can you please provide links to those songs? Solution https://en.wikipedia.org/wiki/List_of_United_States_Supreme_Court_copyright_case_law http://info.legalzoom.com/copyright-law-jingles-22881.html.