Def Leppard

Greatness comes in waves.

Going deep, but you're still listening.

A decade laced with chaos and tragedy.

Let's break it down.

Once is fine, but twice (or more) is nice.

Just once.

A la Queen's 'Bohemian Rhapsody,' Mötley Crüe's 'The Dirt' and Elton John's 'Rocketman.'

See who just joined this exclusive chart club.

He said it was like singing with a ghost that's still alive.

It is said Allen sustained an injury as well.