Def Redux.

DEF LEPPARD: Two Covers and a Cover

Def Leppard have covered themselves and they've been covered by others. In celebration of their Rock of Ages tour with Poison, they have re-recorded two of their biggest hits -- "Rock of Ages" and "Pour Some Sugar on Me." The beefier versions are now on sale at iTunes and Amazon. The tour starts June 20th in Salt Lake City.

And in stores today is the soundtrack to the movie Rock of Ages, which stars Tom Cruise, Alec Baldwin and many others. In it, the cast sings hits by Def Leppard, REO Speedwagon, Scorpions, Journey, Twisted Sister, Pat Benatar, Guns n' Roses and many others. It's streaming now at AOL Music. The movie opens on June 15th.