APA is another evolution in my career; they have unique vision and share my goals for the future. I look forward to expanding our horizons together.

U2 and folks like that. They all have that similar drive and that belief in themselves. They're early birds ... they're up working when everyone else is sleeping. They're simply all great at what they do.

Shanghai set out to take over from Hong Kong and I think it's done that. It's got the most amazing futuristic skyline which rivals and even betters Tokyo.

Let their music skill speak for [itself]. If they are producing good tracks and are resonating with their fans, or even gaining new fans, then that's great.

Madonna has a very unique style and comes up constantly with these great songs.

When I remixed U2's "Even Better Than the Real Thing," that was a big moment and turning point for me. One of my remixes became "the big remix" for them and then I went on tour and was living on the road with them for six months.

I had Ice Cube on my first album, "Bunker," and then I did a remix for Snoop Dogg. I've worked with Grandmaster Flash and Pharrell. It's a different work process and there's a different take with how you produce [hip-hop].