High on Fire is a metal band originally formed from the remnants of the legendary stoner band Sleep. Matt Pike, from Sleep, sings and plays guitar in High on Fire and founded the band with George Rice (bass) and Des Kensel (drums), formerly of Connecticut hardcore band Mindwar. High on Fire's sound is extremely heavy, drawing influences from the aforementioned Sleep, Motörhead, Black Sabbath, & Celtic Frost. The Oakland, California band formed in 1998 and released 'The Art of Self Defense' on Man's Ruin Records, in March 2000.