#Slipknot #Left Behind #Metal #iowa #corey taylor #jim root #clown #Slipknot (band) #paul gray #Paul Gray (American Musician) #mick thomson #heavy metal #music #Joey Jordison (Musical Artist) #Nu Metal (Radio Format) #Alternative Metal (Musical Genre) #Hard Rock (Musical Genre) #Roadrunner Records (Record Label) #Warner Music Group (Record Label) #WMG #Rock Music (Film Genre) #Official