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
Bose headphones music is playing; dramatically reducing noise-cancellation to let in ambient noise. The headphones can be purchased in two versions; the QC20 is for Android, Windows and Blackberry and the QC20i is designed for Apple compatibility. The in-line remote for the QC20i also has direct music control access unlike the QC20. On September 3, 2014, Bose announced the QuietComfort 25 headphones, the successor to the QuietComfort 15. QuietComfort 25 features a new cosmetic design, as well as new improved audio and enhanced noise-cancelling performance. The folding design of the headphones has also been improved for a new, smaller carrying case. The