Étude No. 5 in G-Flat Major, Op. 10 No. 5, B. 57 "Black Keys" - Étude No. 9 in G-Flat Major, Op. 25 No. 9, B. 78 "Butterfly" (2) song by Alfred Cortot

Étude No. 5 in G-Flat Major, Op. 10 No. 5, B. 57 "Black Keys" - Étude No. 9 in G-Flat Major, Op. 25 No. 9, B. 78 "Butterfly" (2)

Weber, Mendelssohn & Others: Piano Works Alfred Cortot October 30, 1993