原文: It Isn't Easy Being a Cuckoo for Flute Quartet. It has been associated with lunatics and guess what a group of cuckoos is called.
翻訳: フルートの楽譜. 高度な. It Isn't Easy Being a Cuckoo for Flute Quartet composed by Frescobaldi, Handel, Saint-Saens, Sofge, Delius, Mahler. 高度な中級.