Big Sir is a band that includes which bass guitarist, a Mexican-American musician, best known as the longtime bassist of Racer X and The Mars Volta?
Big Sir (band) Big Sir is a band that includes the bass guitarist Juan Alderete (The Mars Volta and Racer X) and the singer Lisa Papineau.
Felipe Andreoli Felipe Andreoli (born March 7, 1980) is a heavy metal bassist known for playing in bands like Angra, Karma and Almah.