"Federal Music Project All-American Concert" . . "choir and orchestra performance" . . . . . "All-American concert of orchestral works by recipients of the Guggenheim Award in Composition, arranged by the Composers' Forum-Laboratory\r\nNEW YORK PREMIERE of Walter Piston's CONCERTINO FOR PIANO AND ORCHESTRA\r\nNEW YORK PREMIERE of Roy Harris' SYMPHONY NO. 2\r\nNEW YORK PREMIERE of William Schuman's PROLOGUE" . . . . . "1939-05-07T20:45:00"^^ . . .