Original: Piano Etudes Level 10. Czerny, Beyer, Berens, Kunz, Kuhler, Gurlitt, Streabbog, and many others. Keith Snell. Piano Solo sheet music.
Tradução: Piano Etudes Nivel 10. Partituras Método de Piano. Czerny, Beyer, Berens, Kunz, Kuhler, Gurlitt, Streabbog, y muchos otros.