Conversation so far:
When was the band Slipknot formed?
Slipknot was founded in 1995 by percussionist Shawn Crahan, drummer Joey Jordison and bassist Paul Gray.
Who were the members of Slipknot when it was founded?
Slipknot initially contained percussionist Shawn Crahan, drummer Joey Jordison and bassist Paul Gray.

Question: What is Slipknot known for?
Self-contained rewrite: What is Slipknot known for?