. . . "symphony orchestra performance" . . "New York Symphony Orchestra" . . . . . "Celebrating the 50th anniversary of the first performance in America of Act 1 of Wagner's \"Die Walküre\" at the Academy of Music, November 4, 1876, conducted by Leopold Damrosch. The performance was preceded by explanatory comments at the piano by Walter Damrosch." . "1926-11-18T15:00:00"^^ .