Focus "Hocus Pocus"

Another Jan Akkerman related post.  Akkerman leads his band, Focus, masters of early prog rock, on a wild ride through their instrumental, "Hocus Pocus", introduced by Gladys Knight on "The Midnight Special" in 1973.  The band lineup is:

Thijs van Leer: vocals, yodeling, organ, flute, whistling
Jan Akkerman: guitar
Bert Ruiter: bass
Pierre van der Linden: drums