"Entered from booking ledger and New York Times concert listing and review.\r\nNEW YORK PREMIERE of Elliott Schwartz's DIALOGUE NO. 2 FOR SOLO CLARINET AND TAPED SOUNDS\r\n\"Who Makes Music and Where.\" New York Times (1923-), 15 Dec. 1968, p. 1. ProQuest. Web. 2 Apr. 2025.\r\nJones, Robert T. \"CLARINET-PIANO DUO PLAYS BERG PIECES.\" New York Times (1923-), 19 Dec. 1968, p. 63. ProQuest. Web. 4 Apr. 2025." . . . . . "Richard Waller, Clarinet, and William Doppmann, Piano" . . "1968-12-18T20:30:00"^^ . . . .