2001 is the second studio album by the American rapper and producer Dr. Dre. It was released on November 16, 1999, by Aftermath Entertainment and Interscope Records as the follow-up to his 1992 debut album, The Chronic. The album was produced mainly by Dr. Dre and Mel-Man, as well as Lord Finesse, and it features eighteen guest contributions. The artists with small appearances include Ms.