. . . . "According to the New York Times (\"Sibiriakoff Heard Here Again,\" March 4, 1928, pg. 8), pianist Max Rabinovitch substituted a Waltz in A-flat Major by Chopin for the second work listed on the printed program, Cyril Scott's \"Souvenir de Vienne.\" Mr. Sibiriakoff added three (unidentified) encores." . . . . . . . . . . . . "Leff Sibiriakoff, Bass-Baritone" . . "solo recital" . "1928-03-03T20:30:00"^^ .