It’s spring 1972. I thought I had never heard anything like it before. When I reached the final track, I realized that I had.

The cover of the promotional LP I’d grabbed at random in the college radio station was striking. I mean, look at it. Fifty years later the colors have yellowed a bit, but it’s a striking portrait.

I recognize a lot of the names in the credits, beginning with Gus Dudgeon, the producer. Doesn’t he play for, or produce, Elton John? And Gus is listed as playing bicy...