. "chamber music performance" . . . . "University of Washington Contemporary Group" . "1969-03-07T20:30:00"^^ . . . "WORLD PREMIERE of Niccolo Castiglione's ARIA DELLA BATTAGLIA\r\nWORLD PREMIERE of William Bergsma's ILLEGIBLE CANONS\r\nWORLD PREMIERE of William O. Smith's 4+\r\nNEW YORK PREMIERE of Robert Suderburg's CHAMBER MUSIC II" . .