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Through technology, the phonograph both circumvented and reinforced the cultural hierarchy present in live musical performance. But farm size does not appear to explain differences in yields and net returns when the technology is adopted. People from this region have produced a relatively small number of music technology-related publications. More Meanings Of Technology The subject of technology is treated in a number of articles. For general treatment, see technology, history of; hand tool. For description of the materials that are both the object and means of manipulating the environment, see elastomers; industrial ceramics; industrial glass; metallurgy; mineral deposit; mineral processing; mining; plastic. For the generation of energy, see energy conversion; coal mining; coal utilization; petroleum production; petroleum refining. For the techniques of construction technology, see bridge; building construction; canals and inland waterways; dam; harbours and sea works; lighthouse;

In operation, the anode in such a vacuum tube is given a positive potential with respect to the cathode, while the grid is negatively biased. A large negative bias on the grid prevents any electrons emitted from the cathode from reaching the anode; however, because the grid is largely open space, a less negative bias permits some electrons to pass through it and reach the anode. Small variations in the grid potential can thus control large amounts of anode current. Synth-pop continued into the late 1980s, with a format that moved closer to dance music, including the work of acts such as British duos Pet Shop Boys, Erasure and The Communards, achieving success along much of the 1990s. Common cheap popular sound chips of the firsts home computers of the 1980s include the SID of the Commodore 64 and General Instrument AY series and clones used in ZX Spectrum, Amstrad CPC, MSX compatibles and Atari ST models, among others. Products And Solutions It came to be used in its broader sense

Drum machines, also known as rhythm machines, also began being used around the late-1950s, with a later example being Osamu Kitajima's progressive rock album Benzaiten , which used a rhythm machine along with electronic drums and a synthesizer. In 1977, Ultravox's "Hiroshima Mon Amour" was one of the first singles to use the metronome-like percussion of a Roland TR-77 drum machine. In 1980, Roland Corporation released the TR-808, one of the first and most popular programmable drum machines. The first band to use it was Yellow Magic Orchestra in 1980, and it would later gain widespread popularity with the release of Marvin Gaye's "Sexual Healing" and Afrika Bambaataa's "Planet Rock" in 1982. The TR-808 was a fundamental tool in the later Detroit techno scene of the late 1980s, and was the drum machine of choice for Derrick May and Juan Atkins. The world's first computer to play music was CSIRAC, which was designed and built by Trevor P