New York Philharmonic The New York Times review of the February 26, 1931 concert indicates that the version of Schumann's Symphony No. 4 that was performed was an "unpublished editing of the score by Gustav Mahler" ("Toscanini Warmly Welcomed" by Olin Downes, February 27, 1931, pg. 19). symphony orchestra performance 1931-02-27T14:30:00