Chopin Etude Op. 10, No. 5: arrangement in double notes by Gottfried Galston, 1910 (opening)
<a href="//commons.wikimedia.org/w/index.php?title=User:Rolf-Peter_Wille&amp;action=edit&amp;redlink=1" class="new" title="User:Rolf-Peter Wille (page does not exist)">Rolf-Peter Wille</a>
2011-01-23
based on Gottfried Galston. <i>Studienbuch</i> [Study Book]. III. Abend [3rd Recital] (Frédéric Chopin). Berlin: Bruno Cassirer, 1910, p. 25 (copyright expired). The image has been modified by me.