Michael Christopher

A post-Grammys surge helped Adele's '21' block Van Halen's 'A Different Kind of Truth' from the top spot.

Band reconnected with David Lee Roth for the single, but things did not sail along smoothly.

Band's 1991 breakthrough LP linked Black Sabbath and the upcoming grunge revolution.

Izzy Stradlin and Gilby Clarke had trouble performing the song live.

Rewritten track was dubbed “God Gave Rock ‘n’ Roll to You II.”

First single from band's 10th album marked return after long break.

The iconic track bares a resemblance to at least two other songs.

Song marked the first time James Hetfield was challenged on his lyrics.

First single from 'For Unlawful Carnal Knowledge' arrived with some new six-string tricks up its sleeve.

Steven Tyler and company said they wanted "the hardest-rocking record imaginable." Here's how they got there.

Their initial 11-year association ended slowly, and then all at once.

Guitarist delves deeply into a four-album collaboration that challenged and excited the band.