Keywords: Chopin Op. 10 No. 4 graph.jpg en Chopin Etude Op 10 No 4 Graph of semiquaver motif bars 1 - 4 after Hugo Leichtentritt own based on a sketch in Hugo Leichtentritt Analyse der Chopin ™schen Klavierwerke Analysis of Chopin ™s Piano Works Band II Berlin Max Hesses Verlag 1922 p 101 copyright expired Rolf-Peter Wille 2011-01-16 Frederic Chopin - Opus 10 |