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 HarveyFly with me, touch the face of the true God. And then cry with joy at the depth of my love.
PJ HarveyYou can sing a very aggressive word in such a way that it's very funny. You can change words, completely turn them around on their head so that they mean exactly the opposite of what they are written down. There are endless possibilities which I think Diamanda Galรกs is doing already. She turns everything upside down by the way she sings it. She makes you feel nauseous or horrified or ridiculous just by her voice. I think that's an incredible power.
PJ Harvey