Conversation so far:
What artists did John Denver work with?
John Denver began his recording career with a group that had started as the Chad Mitchell Trio.
Who was in the Chad Mitchell Trio with John Denver?
The Chad Mitchell Trio was John Denver, David Boise and Michael Johnson.

Question: Did John Denver and the Chad Mitchell Trio record any albums?
Self-contained rewrite: Did John Denver and the Chad Mitchell Trio record any albums?