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 song "Thoda Resham Lagta Hai" on the Aftermath-produced song "Addictive" by singer Truth Hurts. In February 2003, a judge ruled that Aftermath would have to halt sales of Truth Hurts' album "Truthfully Speaking" if the company would not credit Mangeshkar. Another successful album on the Aftermath label was "Get Rich or Die Tryin'", the 2003 major-label debut album by Queens, New York-based rapper 50 Cent. Dr. Dre produced or co-produced four tracks on the album, including the hit single "In da Club", a joint production between Aftermath, Eminem's boutique label Shady Records and Interscope. Eminem's fourth album since joining Aftermath,