Roots of Layne Staley

The Birthday Massacre is a Canadian rock band formed in 1999 in London, Ontario and currently based in Toronto. The current lineup consists of lead vocalist Sara 'Chibi' Taylor, rhythm guitarist Michael Rainbow, lead guitarist Michael Falcore, keyboardist Owen Mackinder, drummer Philip Elliott, and bassist Brett Carruthers.

Van Halen was an American rock band formed in Pasadena, California, in 1972. Credited with restoring hard rock to the forefront of the music scene, Van Halen was known for their energetic live performances and the virtuosity of their guitarist, Eddie Van Halen.

Ministry is an American industrial metal band founded in Chicago, Illinois, in 1981 by producer, singer, and instrumentalist Al Jourgensen. Originally a synth-pop outfit, Ministry evolved into one of the pioneers of industrial rock and industrial metal in the late 1980s. The band's lineup has changed frequently, leaving Jourgensen as the sole remaining original member. Musicians who have contributed to the band's studio and/or live activities include vocalists Nivek Ogre, Chris Connelly, Gibby Haynes, Burton C. Bell and Jello Biafra, guitarists Mike Scaccia, Tommy Victor and Cesar Soto, bassists Paul Barker, Paul Raven, Jason Christopher, Tony Campos and Paul D'Amour, drummers Jimmy DeGrasso, Bill Rieflin, Martin Atkins, Rey Washam, Max Brody, Joey Jordison, Roy Mayorga, Pepe Clarke and Aaron Rossi, keyboardist John Bechdel, and rappers and producers DJ Swamp and Arabian Prince.

Slayer is an American thrash metal band from Huntington Park, California, formed in 1981 by guitarists Kerry King and Jeff Hanneman, drummer Dave Lombardo and vocalist/bassist Tom Araya. Slayer's fast and aggressive musical style made them one of the "big four" bands of thrash metal, alongside Metallica, Megadeth, and Anthrax. Slayer's current lineup comprises King, Araya, drummer Paul Bostaph, and guitarist Gary Holt, who initially joined as a touring musician in 2011 before joining the band permanently after Hanneman's death in 2013; the drummer Jon Dette is a former member of the band.

Kiss was an American rock band formed in New York City in 1973 by Paul Stanley, Gene Simmons, Ace Frehley and Peter Criss. Known for their face paint and stage outfits, the group rose to prominence in the mid-1970s with shock rock–style live performances that featured fire-breathing, blood-spitting, smoking guitars, shooting rockets, levitating drum kits and pyrotechnics. The band went through several lineup changes, starting with drummer Eric Carr replacing original drummer Peter Criss in 1980, with Stanley and Simmons remaining the only consistent members. The final lineup consisted of Stanley, Simmons, Tommy Thayer and Eric Singer.