During a ceremony held at the Microsoft Theater in Los Angeles on Saturday night, the hip-hop mogul took to the stage to introduce the rapper. "Over 20 years ago, (music producer) Jimmy Iovine played a demo tape for me from a guy who called himself Eminem. The first thing I said when I heard it was, 'What the f**k did he just say?'” “I loved it so much, I couldn't stop listening to it. A few days later, Jimmy called me and said, 'Hey Dre, you know that's a white guy, right? That completely f**ked me up..."