Songs From Friday Afternoons, Op. 7: Cuckoo! - Choir Of Downside School, Purley, Viola Tunnard, Benjamin Britten(Moonrise Kingdom soundtrack)

"what do you do?
in april, I open my bill.
in may, i sing night and day.
in june, i change my tune.
in july, far, far i fly…
in august, away!
I must…
cuckoo, cuckoo”