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Slipknot's self-titled debut album, released in 1999, achieved Platinum status, becoming the band's first album to reach this milestone. The album's success was driven by its unique blend of heavy metal, nu metal, and alternative rock, as well as the band's distinctive masks and aggressive live performances. The album's popularity helped establish Slipknot as a leading force in the nu metal genre and paved the way for their subsequent success.