Godowsky: Studies on Chopin's Etudes
No. 45 in E Major on Nouvelle étude No. 2 in A-Flat Major, KK IIb/3:2 (1st Version)
No. 45a in D-Flat Major for Left Hand on Nouvelle étude No. 2 in A-Flat Major, KK IIb/3:2 (2nd Version)
Godowsky: Studies on Chopin's Etudes
