2001 (Dr. Dre album) were later cut from the final track list. The tracks have been leaked later on several mixtapes, including "Pretox". The album's production expanded on that of "The Chronic", with new, sparse beats and reduced use of samples which were prominent on his debut album. Co-producer Scott Storch talked of how Dr. Dre used his collaborators during recording sessions: "At the time, I saw Dr. Dre desperately needed something. He needed a fuel injection, and Dre utilized me as the nitrous oxide. He threw me into the mix, and I sort of tapped on a new flavor with my whole piano
Dr. Dre Dr. Dre sampled the Ohio Players' ARP synth riffs from their 1973 funk hit "Funky Worm" in the N.W.A song "Dopeman". Being the first hip-hop producer to sample the song, Dre both paved the way for the future popularization of the G-funk style within hip-hop, and established heavy synthesizer solos as an integral part of his production style. Dr. Dre was also one of the very first producers to interpolate the then little-known drum break from The Winstons' "Amen, Brother" in the N.W.A song "Straight Outta Compton". This break has since becοme a staple in not only hip-hop, but all