Brian Patrick Carroll, known professionally as Buckethead, is an American musician, songwriter, and multi-instrumentalist. He received critical acclaim for his innovative electric guitar playing. His music spans genres, including progressive metal, funk, blues, bluegrass, ambient, and avant-garde music. He performs primarily as a solo artist, although he collaborated with a wide variety of artists such as Bill Laswell, Bootsy Collins, Bernie Worrell, Iggy Pop, Les Claypool, Serj Tankian, Bill Moseley, Mike Patton, Viggo Mortensen, That 1 Guy, Bassnectar, and Skating Polly. He was also a member of Guns N' Roses from 2000 to 2004. He has 315 studio albums, four special releases, and one EP. He performed on more than fifty albums by other artists.