Dr. Dre Nas' "Hustlers", and several beats on Eminem's Relapse album. Soul and R&B pianist Mark Batson, having previously worked with The Dave Matthews Band, Seal and Maroon 5 has been credited as the architect of this sound. Besides Batson, Aftermath producer and understudy of Dre's, Dawaun Parker, who has named Q-Tip and J Dilla as his primary influences, is thought to be responsible for giving Dre's newest beats an East Coast feel. Dr. Dre has said that his primary instrument in the studio is the Akai MPC3000, a drum machine and sampler, and that he often uses as many as four
Dr. Dre Mary J. Blige and new protégé Hittman, as well as co-production between Dre and new Aftermath producer Mel-Man. Stephen Thomas Erlewine of the website AllMusic described the sound of the album as "adding ominous strings, soulful vocals, and reggae" to Dr. Dre's style. The album was highly successful, charting at number two on the "Billboard" 200 charts and has since been certified six times platinum, validating a recurring theme on the album: Dr. Dre was still a force to be reckoned with, despite the lack of major releases in the previous few years. The album included popular hit singles "Still