Here is a list of the performers that were featured on the King Biscuit Flower Hour. I was surprised at how vast the list is and most of the names are very common place

http://www.wolfgangsvault.com/concerts/king-biscuit-catalog/performers.html

Here are some of the concerts from those show that are availaible on Youtube

http://www.youtube.com/results?search_query=king+biscuit+flower+hour&oq=king+bi&gs_l=youtube-reduced.3.0.0l4.3849.6232.0.14959.7.7.0.0.0.0.88.506.7.7.0…0.0…1ac.1.eNY21oAvcfY