JK Rowling. Harry Potter and the goblet of fire (№ 153001)

When the sorting hat finished singing, the whole hall thundered with applause.
- When distributed us, she sang another song, - said Harry, clapping along with everyone else.
- Every year it sings a new, ' answered Ron. - I agree, it's probably pretty boring to be a Hat, so I think it is a whole year composing the next song.