Mudvayne was an American heavy metal band from Peoria, Illinois formed in 1996. They are known for their sonic experimentation, innovative album art, face and body paint, masks and uniforms. The band has sold over six million records worldwide, including nearly three million in the United States. Mudvayne is noted for its musical complexity, complex meters and polyrhythms. The band's music contains what McDonough calls "number symbolism", where certain riffs correspond to lyrical themes. Mudvayne has incorporated elements of death metal, jazz, jazz fusion, progressive rock, speed metal, thrash metal and world music. Mudvayne's influences include Tool, Pantera, King Crimson, Genesis, Emerson, Lake & Palmer, Carcass, Deicide, Emperor, Miles Davis, Black Sabbath, and Rush.