Critics are always complaining about the materialism of hip-hop and accusing the artists of living way above their means. But this ostentatious sort of spending isn't strictly the province of hip-hop. It's almost like a continuation of the American Dream.

What I admire about Snoop Dogg is his longevity. I mean, he's been around for a long time and I think he's as good as he's ever been.

I fell into hip-hop right from the beginning. I was a teenager in the '60s, so I was putting all my pocket money into buying LPs. I followed the ascent of the Rolling Stones, the Beatles, and Stevie Wonder. I followed popular music very closely, and I've never stopped.

Provenance is something very important in jewelry. You want to know who has worn a piece of jewelry and who it has belonged to - it's part of its history, part of its aura.

All-around 21st-century artist the great Kanye West at Design Miami/ Basel

If you speak to young kids anywhere in the world, hip-hop is the music that they like to listen to more than any other type, so the influence simply cannot be underestimated.

In general, you have great artists who have died far too early and who have left great cultural impact. If you look at people like Vincent van Gogh or Jean-Michel Basquiat-there's a long, long list of artists who have died in tragic circumstances, and far, far too early.