Epic rock and roll poetry ostensibly about the Feb 3, 1959 crash of the plane carrying Buddy Holly, Richie Valens and the Big Bopper to the next stop of their winter concert tour.
It seems to mention many, many pop stars at the time including Janis Joplin (I met a girl that sang the blues), Elvis (the king), John Lennon (the Jester) and the Stones. It also gives an abbreviated version of early rock history with much poetic license. I couldn't confirm it but I recall hearing there were college courses that studied it at one time.
Weighing in a hefty 8:33, Top forty radio started with playing abbreviated versions from the single but eventually played the whole thing due to it's popularity.