Formed in 1989 Violent J and Shaggy 2 Dope teamed up to form the group, Insane Clown Posse! The duo has earned two platinum and five gold albums. According to Nielsen SoundScan, the entire catalog of the group has sold 6.5 million units in the United States and Canada as of April 2007.

The "ShockFest" tour will also feature Mushroomhead, Da Mafia 6ix, Madchild, and Jelly Roll,  is scheduled for  Oct. 23 at The District in Sioux Falls. Tickets for the all-ages show are $27.50 and $32 and go on sale at 10 a.m. Saturday at www.thedistrictsf.com.

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