Bad Company are an English hard rock supergroup formed in England, in 1973 by singer Paul Rodgers, guitarist Mick Ralphs, drummer Simon Kirke and later adding bassist Boz Burrell. Peter Grant, who managed the rock band Led Zeppelin, also managed Bad Company until 1982.

David Lee Roth is an American rock vocalist, musician, songwriter, actor, author, artist, and former radio personality.

Def Leppard are an English rock band formed in 1977 in Sheffield and is considered part of the new wave of British heavy metal movement. Since 1992, the band has consisted of Joe Elliott, Rick Savage, Rick Allen, Phil Collen, and Vivian Campbell, which has been the band's longest running line-up.

Evanescence is an American rock band founded in Little Rock, Arkansas, in 1995. On the strength of hit singles "Bring Me to Life" and "My Immortal", Fallen sold more than 17 million copies worldwide and helped the band win two Grammy Awards out of six nominations.

Guns N' Roses, often abbreviated as GNR, is an American hard rock band from Los Angeles, California, formed in 1985. When they signed to Geffen Records in 1986, the band comprised vocalist Axl Rose, lead guitarist Slash, rhythm guitarist Izzy Stradlin, bassist Duff McKagan, and drummer Steven Adler.

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