Youra Guller, Piano According to the review publised in the New York Times, Youra Guller's group of Chopin works included the Waltz in A-flat Major, Op. 34, No. 1, which is not listed in the printed concert program. The mazurkas are not identified. Hughes, Allen. "Chopin Played by Youra Guller in Carnegie Hall." New York Times (1923-), 25 Feb. 1971, p. 30. ProQuest. Web. 2 Sept. 2025. solo recital 1971-02-23T20:30:00