Conversation so far:
How did Corey Taylor get involved with the band, Slipknot?
In Des Moines, Iowa, Joey Jordison, Shawn Crahan, and Mick Thomson approached Corey Taylor asking him to join Slipknot.

Question: Was he in a band before Slipknot?
Self-contained rewrite: Was Corey Taylor in a band before Slipknot?