The remaining band members decided to carry on and recorded the album as a four-piece , with Collen mimicking Clark 's style on his intended guitar parts . Def Leppard 's fifth album , '' Adrenalize '' , was finally released on 31 March 1992 . The album simultaneously entered at number one on both the UK and US album charts , staying on the latter for five weeks . The first single , " Let 's Get Rocked " , was an instant hit , and the band performed the song at the 1992 MTV Video Music Awards where it was nominated for Best Video of the Year . In April 1992 , Def Leppard appeared at The Freddie Mercury Tribute Concert at Wembley Stadium , London , performing a three-song set of " Animal " , " Let 's Get Rocked " and Queen 's " Now I 'm Here " with guitarist Brian May . Joe Elliott later performed " Tie Your Mother Down " with the remaining members of Queen and Guns N ' Roses guitarist Slash
1992 MTV Video Music Awards
1992 MTV Video Music Awards
Def Leppard