Conversation so far:
What was mirror man by Captain Beefheart?
Mirror Man is the fifth studio album by American rock band Captain Beefheart.
Is there anything notable about the album Mirror Man by Captain Beefheart?
The Mirror Man album sleeve features an erroneous claim that it had been recorded one night in Los Angeles in 1965.
Why was Mirror Man by Captain Beefheart recorded in only one night?
This was a ruse to circumvent possible copyright issues.
Why did Captain Beefheart need to circumvent copyright issues with Mirror Man?
The material was recorded in November and December 1967.

Question: Who did they jam with on the album?
Self-contained rewrite: Who did Captain Beefheart jam with on the album Mirror Man?