Conversation so far:
What caused was the D.O.A.'s first break up?
CANNOTANSWER.
What did they accomplish before the first break up?
CANNOTANSWER.
Who rejoined the band?
Joey Shithead and Wimpy Roy had reunited as D.O.A in the summer of 1992.

Question: What were they popular for?
Self-contained rewrite: What were D.O.A. popular for?