Original: 35 Exercises for Flute, Op. 33. Ernesto Koehler. Composed by Ernesto Koehler. Flute sheet music. 1849-1907. For Flute.
Traducció: 35 Exercicis per a flauta, op. 33. Compost per Ernesto Koehler. Partitures Flauta. 35 Exercicis per a flauta, op. 33. LKM Music.