To me, songs come of their own volition - and with an open-ended philosophy.

I made the decision to take on board the critical feedback. Reviews are something you can easily ignore as a performer or writer but I chose to not ignore them here and I think that I benefited. I think I'm stronger for it - and I have a tougher skin as a result.

I think I've done a pretty fantastic job, but of course I want to sell millions of records.

I've had my ups and downs, and I definitely have a sense - in America, especially - that once you've made your mark and gotten your Rolling Stone piece and your Grammy nomination, that they're on to the next piece of meat, and they don't necessarily like to follow the twists and turns of an artistic career.

Mine is only one of the millions of hearts broken over the death of Whitney Houston, I will always be grateful and in awe of the wonderful performance she did on my song, and I can truly say from the bottom of my heart, 'Whitney, I will always love you. You will be missed.'

Grief, and an estate, is joy understood.

When sadness happens in the middle of work, I separate my personal grief from my train of thought.

We've lost our sense of outrage, our anger, and our grief about what's going on in our culture right now, what's going on in our country, the atrocities that are being committed in our names around the world. They've gone missing; these feelings have gone missing.