So to continue the thought...I just can't believe that I didn't find a way to insert Chuck Berry into a show about rock and roll. It dawned on me in the middle of the night, like things do, and I sat up with a start. I felt a bit fraudulent for a while there, but I guess as a curator you can't control all the content of the work, just respond and support and compile. However, I will have to write about him for my catalog essay for sure.
On the other hand, there's this: