Music for a Cause, Changing With the Times*

Amnesty International's benefit album celebrating its 50th anniversary this year, "Chimes of Freedom" - which features Bob Dylan songs played by a genre-busting, cross-generational cast - is a four-CD, 73-track (76 online) behemoth. Even a partial list of contributors is jaw dropping: Sting, Adele, My Morning Jacket, Pete Townshend, Elvis Costello, Johnny Cash, Cage the Elephant, Kesha, Miley Cy