(aka the Polish National Anthem)." Work Operas: Rübezahl (Prague, October 7, 1824, Vienna, March, 1825) and Der Rothmantel Piano works: Piano Concerto op. 28 (publ. Peters, Leipzig) Rondeau Brillant op. 20, op. 24 (publ. Peters, Leipzig), op. 25,and op. 30 (publ. Tobi Haslinger, Wien) Variations op. 16, op. 17, op. 19,and op. 29 Polonoises op. 21, op. 27 (publ. Peters, Leipzig) References Sources Bellman, Jonathan (2010). Chopin's Polish Ballade: Op. 38 as Narrative of National Martyrdom. Oxford: Oxford University Press. Goldberg, Halina (2008). Music in Chopin's Warsaw. Oxford: Oxford University Press. Zamoyski, Adam (2010). Chopin: Prince of the Romantics. London: HarperCollins. External links Scores by Wilhelm Würfel in digital library Polona 1790 births 1832 deaths People from Kolín District People from the Kingdom of Bohemia 19th-century composers 19th-century organists 19th-century pianists Czech composers Czech male composers Czech organists Czech pianists Polish composers Polish organists Male organists Czech academics Czech music educators Frédéric Chopin Male pianists 19th-century Czech male musicians Academic staff of the Chopin University of Music