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 "Backstrokin'" in his song "Let's Get High" from the "2001" album; Dr. Dre was ordered to pay $1.5 million to the band in 2003. French jazz musician Jacques Loussier sued Aftermath for $10 million in March 2002, claiming that the Dr. Dre-produced Eminem track "Kill You" plagiarized his composition "Pulsion". The online music file-sharing company Napster also settled a lawsuit with him and metal band Metallica in the summer of 2001, agreeing to block access to certain files that artists do not want to have shared on the network. Following the success of "2001", Dr. Dre focused on producing