Conversation so far:
What did Frank Zappa disband from?
In late 1969, Frank Zappa broke up the band, Mothers of Invention.
Why did Frank Zappa break up with the band Mothers of Invention?
Frank Zappa often cited the financial strain as the main reason, but also commented on the band members' lack of sufficient effort.
What year did Frank Zappa break up with Mothers of Invention?
In late 1969, Frank Zappa and the Mothers of Invention disbanded.

Question: What did he do after this disbandment?
Self-contained rewrite: What did Frank Zappa do after the Mothers of Invention disbandment?