Conversation so far:
What happened in MC5's early years?
The origins of MC5 can be traced to the friendship between guitarists Wayne Kramer and Fred Smith. Friends since their teen years, they were both fans of garage rock.
When did MC5 start together after the friendship between guitarists Wayne Kramer and Fred Smith?
Each guitarist/singer formed and led a rock group. As members of both groups left for college or straight jobs, the most committed members eventually united with Vargo and Leo.
What was the improvement MC5 made afterwards with the most committed members eventually uniting with Vargo and Leo?
Kramer felt they needed a manager, which led him to Rob Derminer, a few years older than the others, and deeply involved in Detroit's hipster and left-wing political scenes.
Did MC5 eventually get a manager besides Rob Derminer?
They quickly realized that Derminer's talents could be better used as a lead singer:
Are there any other interesting aspects about this MC5 article besides Rob Derminer and his  talents as a lead singer?
MC5's music also reflected Smith and Kramer's increasing interest in free jazz.

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