'Pieces of You' singer rocks out to "Whole Lotta Love" in Phoenix
Industrial metal group's first U.S. performance in a decade centerpiece of 2-DVD set
"I think country is the new rock & roll — everyone is trying to stretch out"
Seven-minute funk blues worked up from concert jam
Song was first sign their reunion would stick: 'Oh my God, we're back!'
Bassist wrote lyrics for the first time on new track
Band talk about first album of original material in 11 years
Band talk about first album of original material in 11 years
Propulsive rocker comes from band's new album, due this fall
Plus, Steven Tyler looks back on 'American Idol': 'I loved it and hated it'
