Were some of Motown's recordings too advanced for radio at the time?

[Motown Eddie]

Hi Eddie, the book is simply called "Chicago Soul" by Robert Pruter. It's a good exhaustive read about all the men and women who were involved in the Chicago recording scene, including the main labels you mentioned. Really gets into how these labels started, who were the people behind the scenes as well as a titanic review of the artists who recorded in Chicago. It's really something just how active Chicago was and sad that there were so many who never were going to get a shot at the brass ring. Even though the book is not in any way pointing out the differences between these companies and Motown, you will start seeing just why nobody today talks about The Chicago Sound the same way or with anywhere near the same frequency as The Motown Sound. If you ever find a copy of the book and like reading this sort of thing, you'll definitely enjoy it. My copy is pretty battered [[ha ha!) and still love reading it every so often.

I've heard of Robert Pruter's book Chicago Soul but never gotten around to reading it. Will grab a copy if it ever turns up. Thanks for the Tip!