Empire Pool was an indoor arena in London, opposite Wembley Stadium, now named Wembley Arena. The concert named "Electric Magic", featured circus performers and the band played at the end of a six hour circus-like evening with a 167 minute set.
LED ZEPPELIN - Jethro Tull - Fraternity of Man 1 August 1969 - Santa Barbara - live show artistic concert poster - manifesto artistico. via Etsy. I played Drums on this concert with "Stash and Fraternity of Man"