Sempre Alice.

"You are sad." the Knight said in an anxious tone: "let me sing you a song to comfort you."

"Is it very long?" Alice asked, for she had heard a good deal of poetry that day.

"It's long." said the Knight, "but it's very, very beautiful. Everybody that hears me sing it - either it brings tears to their eyes, or else -"

"Or else what?" said Alice, for the Knight had made a sudden pause.

"Or else it doesn't, you know.(...)"

(Lewis Carroll - Through the looking glass)