Provided to YouTube by Universal Music Group What's The Difference · Dr. Dre · Eminem · Xzibit 2001 ℗ 1999 Aftermath Entertainment/Interscope Records Released on: 2008-01-01 Producer, Studio Personnel, Mixer: Dr. Dre Producer: Mel-Man Studio Personnel, Mix Engineer: Richard "Segal" Huredia Composer Lyricist: Melvin Charles Bradford Composer Lyricist: Marshall Mathers Composer Lyricist: Alvin Joiner Composer Lyricist: Richard Bembry Composer Lyricist: Charles Aznavour Composer Lyricist: S. Harris Auto-generated by YouTube.