. "Program details added from New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS FOR THE WEEK.\" New York Times (1923-Current file), New York, N.Y., 1957.\r\n\"BALSAM STANDS OUT AT GROUP PROGRAM.\" New York Times (1923-Current file), New York, N.Y., 1957." . "1957-03-10T17:30:00"^^ . . "chamber music performance" . . . . "Concert Society of New York Chamber Music Concert" . .