Read the following context and answer the question.
Context: Beefheart , Tom Waits and John Zorn built , their music was ridiculous , but engagingly so . These were n't rank amateurs banging on a bunch of gear , either . Man Man were very clearly trained professionals who chose to use their abilities for evil , carving out their own niche in the lucrative " insane circus music " genre .
Question: What may be a plausible fact about the group I am talking about ?
Answer:


I am talking about musicians .