. . . . . "solo recital" . . "Irvin Schenkman, Piano" . . . "Entered from program calendar and New York Times concert listing and review (\"Programs of the Week,\" Dec. 23, 1928, pg. 92; \"Irvin Schenkman Plays,\" Dec. 29, 1928, pg. 22); stated time is approximate." . "1928-12-28T20:00:00"^^ . . . . . .