John Cale was the guest on this September 16, 1963 episode of I've Got a Secret. His secret centered around his participation in an 18 hour 40 minute piano performance, the first full length presentation of Erik Satie's "Vexations" held at the Pocket Theater. (Not mentioned, pianists John Cage, David Tudor, Christian Wolff, Philip Corner, Viola Farber, Robert Wood, MacRae Cook, David Del Tredici, James Tenney, Howard Klein (the New York Times reviewer), Joshua Rifkin, with two reserves, and with Cale all to