59 x 16.5 x 4.5cm, two part hinged custom wooden box with silkscreen title content of 10 different standard audio cassettes in plastic boxes and with four 28.5 x 15.5 1pp paper inserts  with information about the recordings and reproducing a score by George Brecht "Comb Music". A deluxe production with rare or unpublished recordings by Ay-o, Jean Dupuy, Robert Filliou, Joe Jones, Emmett Williams, Richard Maxfield, Ferdinand Kriwet, Carolee Schneemann, Allan Kaprow, Charlotte Moorman, David Tudor and others. The recordings are a mix of interviews, sound poetry, music and experimental recordings.

This is one of only 80 such boxes. Mint and unplayed. It went out of print almost immediately.