Born on November 3, 1945, in Southall, Middlesex, England, Nick Simper co-founded Deep Purple in 1968, playing bass alongside Jon Lord, a bandmate from his previous group The Garden who pushed for him to join. Simper had already survived a brutal chapter in rock history, having been badly injured in the car crash that killed Johnny Kidd, frontman of Johnny Kidd and the Pirates, whom Simper had been backing at the time. He played on Deep Purple's first three albums before he and singer Rod Evans were controversially dismissed in 1969 to make way for the harder edged Mark II lineup featuring Ian Gillan and Roger Glover. Simper went on to form Warhorse and later led a string of lower profile projects, remaining the only member of Deep Purple's earliest lineups left out of the band's 2016 Rock and Roll Hall of Fame induction.

Born on November 3, 1967, in Kingston upon Thames, England, Steven Wilson founded Porcupine Tree in the late 1980s as what began as a joke psychedelic rock project with school friend Malcolm Stocks before evolving into one of the most respected progressive rock bands of its generation. As the band's guitarist, singer, and primary songwriter, Wilson steered it through steadily rising ambition and chart success that peaked with 2009's The Incident. Beyond the band, Wilson built a parallel reputation as rock's go to surround sound mix engineer, remixing classic catalog titles for King Crimson, Jethro Tull, Yes, and The Who. His solo career has proven just as prolific, running from 2008's Insurgentes through Hand. Cannot. Erase. and beyond, alongside production work for bands like Opeth on Blackwater Park.

Born on November 3, 1973, Mick Thomson joined Slipknot as guitarist in 1996, taking on the number 7 as his designated mask and jumpsuit identity, which he has said he picked simply as his lucky number. He previously played with Body Pit, a band that connected him to founding Slipknot members Anders Colsefni, Donnie Steele, and Paul Gray, and he stepped into the guitarist role after original guitarist Craig Jones shifted to become the band's full time sampler. Thomson's crushing, downtuned riffing became a key architect of the band's self titled 1999 debut and its breakout, Iowa, in 2001. Alongside co-guitarist Jim Root, he helped define Slipknot's wall of sound through Vol. 3: (The Subliminal Verses) and All Hope Is Gone. Following Joey Jordison's 2013 departure, Thomson stands as the band's second longest serving member.

Born on November 3, 1978, in Indianapolis, Indiana, Tim McIlrath co-founded what became Rise Against in Chicago in 1999, originally under the name Transistor Revolt alongside bassist Joe Principe, before the band settled on its lasting identity a couple of years later. As lead vocalist, rhythm guitarist, and the band's primary lyricist, McIlrath built Rise Against's reputation on fusing melodic hardcore punk with explicitly political, socially conscious songwriting, tackling subjects like animal rights, war, and class struggle head on rather than in metaphor. The band broke into the mainstream with 2008's Appeal to Reason and its anthemic single "Re-Education (Through Labor)," later scoring its biggest hit with "Savior" off Endgame. McIlrath has remained the band's steady creative core across ten studio albums and counting.