Fat Worm of Error is an avant-rock band from Northampton, Massachusetts. They are seen as staples of the underground noise and improvisation scene and have helped to start a regional scene of noise music called Western Mass Noise.They utilize traditional rock instruments as well as homemade electronics and other modified instruments. In their live performances, the singer, Jess Goddard, engages in homemade pageantry with homemade surrealist costumes. The band has toured Europe and North America.