I'm obsessed with this version of this song and I cannot explain why. I've easily watching this video a dozen times this weekend.

Focus are a Dutch prog-rock band, and around'72/'73 "Hocus Pocus" had become their well-known radio hit ... which, notably, on the album is played at a much slower tempo, clocking in around 7 minutes in length. As the recording of the Midnight Special drew to a close, the producers warned Focus that only five minutes of showtime remained, so could they please play another, shorter song ... to which the Dutch group replied "No, it is not a problem, we will simply play our intended song much faster!"

I've always been fascinated by that song!