Top stars cover Bob Dylan songs for Amnesty Int’l (AP)

FILE - In this Jan. 12, 2012 file photo, Bob Dylan performs during the 17th Annual Critics' Choice Movie Awards in Los Angeles. Dylan is giving human rights supporters something to sing about. He waived the publishing fees for his entire catalog, allowing Amnesty International to create a four-disk compilation album in honor of the organization's golden anniversary. (AP Photo/Chris Pizzello, file)AP – Anyone who ever doubted the transformative power of Bob Dylan’s music need only look to Ke$ha.