[1] Def Leppard was formed in 1977 by vocalist Joe Elliott, bass player Rick "Sav" Savage, guitarist Pete Willis, and drummer Tony Kenning.

The band's follow up was High 'n' Dry, which reached number 26 in the UK and was certified platinum two times in the United States.

After three years, Def Leppard released Euphoria, which is the band's last certified album by the RIAA, CRIA, and BPI.

Four years later, Def Leppard released the studio/cover album, Yeah!, which included covers by Thin Lizzy and The Kinks.

On 25 April 2008, the band released Songs from the Sparkle Lounge, which included the single "Nine Lives" featuring country singer Tim McGraw.