Another sign that Dr. Dre's studio album Detox, the hip-hop version of Chinese Democracy, will be released sooner than later: a new, very good single featuring his No. 1 cohort. "I Need a Doctor" follows several tracks ("Kush," "Under Pressure") that will likely be included on the final album.

Dr. Dre. feat. Eminem & Skylar Grey -- "I Need a Doctor"