Slipknot's mix of grinding, post-Korn alternative metal, Marilyn Manson-esque neo-shock rock, and rap-metal helped make them one of the most popular bands in the so-called nu-metal explosion of the late '90s. But even more helpful was their theatrical, attention-grabbing image: the band always performed in identical industrial jump suits and homemade Halloween masks, and added to its mysterious anonymity by adopting the numbers zero through eight as stage aliases. Add to that a lyrical preoccupation with darkness and nihilism, and an affectionately insulting name for their fans ("Maggots"), and Slipknot's blueprint for nu-metal success was set.

Slipknot were formed in late 1995 in the unlikely locale of Des Moines, IA; after some early personnel shifts, the nine-piece lineup settled around (in order from number zero to number eight): DJ Sid Wilson, drummer Joey Jordison, bassist Paul Grey, percussionist Chris Fehn, guitarist James Root, sampler/programmer Craig Jones, percussionist Shawn "Clown" Crahan, guitarist Mick Thompson, and lead vocalist Corey Taylor. The music scene in Des Moines wasn't much to speak of, and the band's big-time ambition was usually met with disbelief and ridicule, which provided the initial spark for its mostly anonymous stage visuals. On Halloween 1996, Slipknot self-released an album called Mate. Feed. Kill. Repeat., which began to build a buzz around the group once it found its way to several labels. It was picked up for distribution by the Nebraska-based -ismist label, and also caught the attention of Roadrunner Records, which signed Slipknot in 1997. Working with producer Ross Robinson, Slipknot recorded their official, self-titled debut album, which was released in 1999. They gradually built an audience through near-constant touring, working their way up to the summer Ozzfest package tour, which really expanded their audience. Their live shows were a much-discussed hit with metal fans, and the band performed with such energy that Crahan gashed his head open on his own drum kit twice that summer, requiring stitches both times. The tracks "Wait and Bleed" and "Spit It Out" got the band some airplay, but most of the buzz came from touring and word of mouth. Finally, in the spring of 2000, Slipknot was certified platinum; the first such album in Roadrunner's history.

The anticipation for Slipknot's follow-up was intense, and many industry observers predicted that it would debut at number one; however, faced with some stiff competition that week, the band's sophomore effort, Iowa, bowed at number three upon its release in 2001. More heavy touring followed, including another, more prominent slot on that summer's Ozzfest. After a long spell on the road, Slipknot took a break while the members worked on side projects. The band set up its own label, Maggot Recordings, and signed a band called Downthesun, whose lead singer had served as Crahan's drum technician. Wilson, meanwhile, began DJing solo under the name DJ Starscream, and Root and Thompson both worked on solo material. Drummer Jordison worked with a side group called the Rejects, where he'd actually served for quite some time as guitarist. Taylor, meanwhile, started a side band called Superego, and also contributed a solo song, "Bother," to the soundtrack of the 2002 blockbuster Spider-Man. That May, the band got some amusing press when some of its fans discovered the website of a British crocheting group also called "Slipknot," and flooded the members' in-boxes with excessively rude e-mails. Guitarist Joey Jordison and Static-X guitarist Tripp Eisen teamed that summer for the Murderdolls project, while Taylor reformed his old band Stone Sour and released an album. By the winter, Slipknot had still not reunited and Taylor wrote a commentary on the band's website stating that they had not spoken in months, and that they'd rather break up than become "the next Gwar". The statement sparked a quickly resolved minifeud between Taylor and Gwar

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