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Korn is the band that Corey Taylor collaborated with on the hit song "Freak on a Leash." The song was released in 1999 as part of Korn's fourth studio album, "Issues." Taylor, who is the lead vocalist of Slipknot, provided guest vocals on the track, which became one of Korn's most successful singles, reaching the top 10 on the Billboard Hot 100 chart.