Tonight is the premiere installment of The Tanning of America: One Nation Under Hip-Hop, Vh1's four-part documentary that explores the ascent of hip-hop and its lasting influence on contemporary American culture. To promote the series, Dr. Dre and P. Diddy explain how the genre has changed them in a couple brief clips, embedded above. Watch part one on Vh1 tonight at 10 PM EST, and watch style editor-at-large Mobalaji Dawodu interview Dr. Dre for FADER TV here.