"Conductorless Symphony Orchestra" . "Entered from program calendars, review, and advertisement on back of 4/20/1930 program. Review indicates that only two movements of the Bach concerto were played, but does not say which two.\r\nWORLD PREMIERE of Henry Cowell's PIANO CONCERTO" . . . . . "1930-04-26T20:45:00"^^ . "symphony orchestra performance" . . . .