When a poem might become a song, then certain parts are repeated and might become a refrain or a chorus, so they change in that way. But it's more the nature of the words and what they're saying that determines whether it's a poem or a song.
PJ HarveyI feel like when I'm writing for other people, when I'm doing rap hooks, it's kinda like playing dress up for me...
PJ HarveyThere's so much you can do with laying words on a bed of music. You can completely change their meaning with the type of music or the way they're sung.
PJ HarveyI don't hold onto anything, because it's a waste of energy to do so, really. There's nothing that I can do about the way people want to write about me. I just try and concentrate on my work and do that as well as I can.
PJ Harvey