Both sides 138 bpm.
Side A run-in etching: "If you want to find the Wizards of Trance, then follow the Yellow brick road... but clicking your heels will not save you now!",
Side A Run-out etching:"The Spatial sine wave family consists of oscillations stretched out in space...", followed by a drawing of a rocket ship in flight.
Side B run-in etching: "Spacial frequency K is a spatial sine waves personal name".
Side B run-out etching is the Prometheus e-mail address.

Both sides written at the Echo Chamber, London UK.
Mastered at National Sound Corporation, Detroit, U.S.A.