Def Leppard

Four-CD / Blu-ray collection features previously unreleased demos and live footage from shows in Germany and Los Angeles.

The 23-date trek features additional support from Heart and Cheap Trick.

The polarizing 1996 album was criticized for straying from the band's previous sound.

Drummer also discusses revisiting material recorded prior to his life-changing car crash.

They previously believed the tapes had been destroyed.

"When I hear footsteps behind me, I use shop windows like a rearview mirror."

It hit No. 1 in the U.S. — then they had to learn how to play it live.

"We were shocked at the success of it," says guitarist Phil Collen.

Thomas Dolby also lent his talents to the Top 20 'Pyromania' single.

Joe Elliott says the band has "always been aware when something’s outstanding and when something’s just OK."

"I don't think he knew who I was," drummer said of teenage assailant.

Doctors feared vocal cord issue would render him unable to sing.