2001 (Dr. Dre album) The album primarily featured co-production between Dr. Dre and Mel-Man and was generally well received by critics. AllMusic writer Stephen Thomas Erlewine noted that Dr. Dre had expanded on the G-funk beats on his previous album, "The Chronic", and stated, "He's pushed himself hard, finding new variations in the formula by adding ominous strings, soulful vocals, and reggae, resulting in fairly interesting recontextualizations" and went on to say, "Sonically, this is first-rate, straight-up gangsta." "Entertainment Weekly"s Tom Sinclair depicted the album as "Chilly keyboard motifs gliding across gut-punching bass lines, strings and synths swooping in and out of the mix,
Headphones used for early radio work. In early powered radios, the headphone was part of the vacuum tube's plate circuit and carried dangerous voltages. It was normally connected directly to the positive high voltage battery terminal, and the other battery terminal was securely grounded. The use of bare electrical connections meant that users could be shocked if they touched the bare headphone connections while adjusting an uncomfortable headset. In 1958, John C. Koss, an audiophile and jazz musician from Milwaukee, produced the first stereo headphones. Previously, headphones were used only by the US navy, telephone and radio operators, and individuals in