Brian Patrick Carroll, known professionally as Buckethead, is an American musician, songwriter, and multi-instrumentalist who has received critical acclaim for his innovative electric guitar playing. His music spans many genres, including progressive metal, funk, blues, bluegrass, ambient, and avant-garde music. He performs primarily as a solo artist, though he has 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 released 315 studio albums, four special releases, and one EP. He has also performed on more than 50 other albums by other artists.