Brion Gysin Where Is That Word? München, Germany: Edition S Press, 1975 Single sided audio cassette
Released by the German label Edition S Press (who also put out albums and cassettes by a wide variety of visual artists, sound artists, writers, etc., including Terry Fox, John Cage, Allen Ginsberg, Henri Chopin, John Giorno, Anne Waldman, Philip Corner, Jackson Maclow) the Brion Gysin Show "Where Is That Word?" is a 32:15 minute is a series of permutated poems originally recorded for broadcast by the BBC.
An excerpt called Pistol Poem can be heard on Artforum's website, here.