Leopold Godowsky Studies on Chopin's Etudes No. 13 (Op. 10 No. 6) for the left hand alone, 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>
2011-02-01
score from IMSLP which is in public domain ( <a rel="nofollow" class="external free" href="http://imslp.org/wiki/Studies_after_Frederic_Chopin_(Godowsky,_Leopold)">http://imslp.org/wiki/Studies_after_Frederic_Chopin_(Godowsky,_Leopold)</a> ). The image has been modified by me.