"National Orchestral Association" . . "1940-03-18T20:45:00"^^ . . . . "symphony orchestra performance" . . . . "Composer Walter Piston was present in one of the boxes for the performance of his new work.\r\nWORLD PREMIERE of Walter Piston's VIOLIN CONCERTO NO. 1\r\nNEW YORK PREMIERE of Henriette Bosmans' CONCERTSTÜK" . . . .