Premise: Corey Todd Taylor ( born December 8 , 1973 ) is an American musician , singer , songwriter , actor and author , best known as the lead singer and lyricist of the American nu metal band Slipknot and the American hard rock and alternative metal band Stone Sour . Slipknot is an American heavy metal band from Des Moines , Iowa .
Hypothesis: Corey Taylor is not in an American band.
Label: CONTRADICTION