Conversation so far:
What happened int he early years?
The origins of MC5 can be traced to the friendship between guitarists Wayne Kramer and Fred Smith.
When did they start together?
1964.
What was the improvement they made afterwards?
Kramer felt they needed a manager.
Did they eventually get a manager?
Rob Derminer, a few years older than the others, and deeply involved in Detroit's hipster and left-wing political scenes.
What was the manager's contribution to the success of the group?
CANNOTANSWER.
Are there any other interesting aspects about this article?
The music also reflected Smith and Kramer's increasing interest in free jazz.

Question: Why was he interested in free Jazz?
Self-contained rewrite: Why Wayne Kramer and Fred Smith of MC5 interested in free Jazz?