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 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