On July 29, 1966, comments that John Lennon made in the U.K. five months earlier caused one of the Beatles' biggest controversies in the U.S.

The Beatles also took aim at a host of other worthy targets. The following list of 20 Beatles Diss Tracks focuses on corrupt ...

The polite lead guitarist of Guns N' Roses has a tongue made of venom, and these are the bands he hates whom he's unleashed ...