Originale: It Isn't Easy Being a Cuckoo for Flute Quartet. ""In Praise of Higher Understanding"" - Mahler 1899. Flute sheet music.
Traduzione: It Isn't Easy Being a Cuckoo for Flute Quartet composed by Frescobaldi, Handel, Saint-Saens, Sofge, Delius, Mahler. Avanzato.