Cover: gatefold, two-color print with photo and text informations. 30cm, 33RPM, 1976, Multhipla Records, Milano, No.1.

Perf: S.E.M. Ensemble: Petr Kotik(alto, fl, voc), James Kasprowicz(tb), William Lyon Lee(celeste, voc), John Bondler(glockenspiel, voc). Contents: La Mariee mise a nu par ses Celibataires, meme. Erratum musical. Musical Sculputure.

Book(15.5 x 21.5cm), 180 p.(n.pag.) with 1 blue flexidisc(13cm, 33RPM), limited edition of 500 numbered copies, published by Takeyoshi Miyazawa, 1968. Photo-and text-documentation of a game of chess on March 5, 1968 in the Ryerson Theatre in Toronto. Chessboard by Lowell Cross, photos by Shigeko Kubota. The record contains acoustic signals produced by the individual move during the game. Technical realization: David Behrman.

Title: Marcel Duchamp and John Cage. Reunion along with Teeny Duchamp, David Tudor, Gordon Mumma, David Behrman, Lowell Cross.

Cover: b/w, with portraitphoto of Marcel Duchamp, designed by Lynn Breslin. 30cm, 33RPM, 1977, Finnadar Records, New York, No.SR 9017.

Title: Marcel Duchamp: The Bride Stripped Bare by her Bachelors, Even. Erratum Musical. John Cage: 27'10.554" For a percussionist. Perf: Donald Knaack.

Cover: two-color print of a drawing of Marcel Duchamp "avoir I'apprente dans le soleil", design: Ulf Anderson. 30cm, 33RPM, 1982, Caprice, No. CAP 1226. Included folder with informations and photos of the composers and interpreters. Text by Per-Anders Heliqvist and Bengi Emil Johnson.

Contents: Charles Ives: Three Quarter-Tone Pieces. Marcel Duchamp: Le Mariee mise a nu par ses Celibataires, meme. Erratum musical. John Cage: A Book of Music for Two Prepared Pianos. Perf: Mats Persson/ Kristine Scholz(p).

Cover: multi-color, design: Huib Simons. Included double-sheet with photos and text information. 30cm, 33RPM, n.d., Eksakt Records, Tiburg, Holland, Eksakt 021.

Contents: Motobs:Low, Low Spirit. Harrie de Wit:Thin Cities. Peter Zegveld:Dynamica Tumultus(fragment). Noodband:Sono Koubaly. Niew Hip Stilen:Mud. Remko Scha & The Doomdoom-Doom / Het Huilen / Van Urgje / Blin / Meer Groten. Loos:Edge. Moniek Toebosch & Michel Waisvistz:Killpik.