Jeffrey Osborne

I think if you look back at the lead singers that left groups that didn't make it, you'll see that a lot of them were songwriters like Lionel Richie. I mean, they were able to control their own destiny.

What I look for when I see a piece of art for the first time is some kind of emotional, intellectual experience, that's a combination of both of those things and is informed by my knowledge and something new that I see the artist doing.

Sometimes you see films, not just science fiction films, where you get the sense that if the camera were to pan just to the left or the right, all of a sudden you'd be seeing light stands and crew standing around. But with 'Blade Runner,' the beauty of it is that it felt like a real, breathing city.

Jay Z is building a range of businesses just on the strength of his brand. Lady Gaga has formed really interesting partnerships. Justin Bieber and his manager Scooter Braun are investing in a number of different companies and also promoting them in many ways.