James Root is an American guitarist and songwriter. He is one of two guitarists for nu metal band Slipknot and the former lead guitarist for rock band Stone Sour. Slipknot is an American heavy metal band formed in Des Moines, Iowa, in 1995. Slipknot is well known for its attention-grabbing image, aggressive style of music, and energetic and chaotic live shows. The band has sold 30 million records worldwide.