Conversation so far:
What type of music did Monroe originally play?
gospel song "What Would You Give in Exchange For Your Soul?.
What type of music was Monroe known for (famous for) ?
bluegrass music.
Did he produce albums?
CANNOTANSWER.
Did he perform in any concerts?
Monroe successfully auditioned for a regular spot on the Grand Ole Opry.
Did he play an instrument or sing in the Grad Ole Opry?
He seldom sang lead vocals on his Victor recordings, often preferring to contribute high tenor harmonies.

Question: Did he perform in any bands?
Self-contained rewrite: Did Bill Monroe perform in any bands?