Gerald Vincent Casale is an American musician. He came to prominence in the late 1970s as co-founder, co-lead vocalist and bass player of the new wave band Devo, which released a top 20 hit in 1980 with the single "Whip It". From Wikipedia
The film contends the Ohio outfit was a conceptual art project with a philosophy forged at Kent State rather than a novelty act defined by one hit.
