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Article

Hugh Davies

Electronic organ designed by the organ builder Edouard Eloi Coupleux of Tourcoing and the radio engineer Joseph Armand Givelet in Paris in 1929–30, and produced under patents of 1934 and 1936. It was the first successful polyphonic instrument based on electronic oscillators (demonstrated already in Givelet’s monophonic ...

Article

Anne Beetem Acker

Line of MIDI-based reproducing player pianos introduced by Yamaha Corporation in 1982 (1986 in North America). The Disklavier system combines an acoustic piano with an electromechanical player-piano system. As in other such systems, fibre-optic sensors register the movement of keys, hammers, and pedals during performance, while the digital controller operates a bank of solenoids installed under the piano’s key bed; one solenoid is positioned under the tail of each key, with additional solenoids connected to the pedal rods. Performance information is stored digitally on CD-ROM, floppy discs (still used for many accompaniments for instructional piano material), or a hard drive. Disklavier systems can be connected to sequencers, tone modules, and computers via MIDI and Ethernet. A built-in speaker system attached to the case under the soundboard is used to play back optional digital piano sound and especially for playback of accompanying orchestral or vocal tracks....

Article

Duo-Art  

Reproducing piano mechanism that made it possible to record on paper rolls the nuances of dynamics, tempo, and phrasing; introduced by the Aeolian Co. in 1913 (see Player piano and Aeolian).

Article

Hugh Davies

Electronic organ, several models of which were designed by Leslie (E.A.) Bourn from the early 1930s and manufactured by the John Compton Organ Co. (later Compton Organs Ltd) between the mid-1930s and 1970. In 1926 Bourn approached John Haywood Compton with a proposal for the production of a ‘pipeless’ organ, and was invited to join the staff of Compton’s company. By about ...

Article

(b Luxembourg, Aug 16, 1884; d New York, Aug 19, 1967). American writer, publisher, and inventor. In 1904 he emigrated to America, where in 1908 he founded the first of a series of radio magazines (including Radio-Craft) which he wrote for and edited. He later turned to science fiction magazines (from ...

Article

Hugh Davies

(b Rheims, France, 1899; d La Varenne St-Hilaire, St-Maur-des-Fossés, France, Nov 9, 1963). French engineer and physicist. He was one of the pioneers of electronic instruments and especially of the electronic organ in the 1920s and early 1930s; some of his instruments were constructed in collaboration with the organ builder Edouard Eloi Coupleux. In ...

Article

Gnome  

Hugh Davies

Electronic keyboard instrument developed by Ivan Eremeeff in Philadelphia, Pennsylvania, in 1932; it was the smaller and better known of two instruments based on the same principles that Eremeeff built in that year. Rotating electromagnetic tone wheels generated the sounds. The keyboard (three and a half octaves) and the bench on which the player sat formed part of an electrical circuit; when one of the stationary, touch-plate keys was fingered, an electrical contact was made through the performer’s body with the metal top of the bench. In addition to pedals governing volume and tremolo there was also a decay control. The Gnome was designed for home use and could be connected to the amplifier and loudspeaker of a domestic radio set....

Article

Hugh Davies

Electronic keyboard instrument developed by Bruno Helberger (b Frankfurt am Main, Germany, 1884; d Vienna, Austria, 1951) from the Hellertion, the result of an earlier collaboration with Peter Lertes. The first version of the Heliophon was completed in Berlin in 1936, but it was destroyed during World War II; a second version was built in Vienna in ...

Article

Hugh Davies

Monophonic electronic instrument developed in 1928–9 by Bruno Helberger (b Frankfurt am Main, Germany, 1884; d Vienna, Austria, 1951) and Peter Lertes of Leipzig (from whose names that of the instrument was derived), several variants of which were constructed with the assistance of Schneider-Opel in Frankfurt. Helberger, who had studied the piano with Artur Schnabel, was well known at the time as a pianist; Lertes was an electrical engineer and in ...

Article

Leonidas Economou

(b Trikala, Greece, April 7, 1922; d Athens, Greece, April 8, 1990). Greek composer and lyricist. He was of middle-class origin and finished high school in 1941. He became fascinated with rebetiko and the music of the refugees from Asia-Minor, and he was also influenced by religious Byzantine and folk music. From ...

Article

Hugh Davies

Series of four keyboard instruments, based on the principle of the hurdy-gurdy, developed by Luigi Russolo in Thiene and Milan from about 1921 and continued in Paris in 1928–9. They incorporated many of the basic principles and sound qualities of his intonarumori (and probably some of their mechanisms), combining the equivalent of several separate instruments in a single console. The consoles resembled harmoniums; the fourth (and possibly the third) was somewhat larger, about the size of a small chamber organ. The first two were constructed in parallel between about ...

Article

Craig Jennex

(b Thunder Bay, ON, Nov 28, 1949). Canadian pianist, composer, musical director, actor, producer, and bandleader. He has been musical director for David Letterman’s late-night shows since 1982. Prior to working with Letterman, Shaffer was a featured performer on “Saturday Night Live.” He has served as musical director and producer for the Blues Brothers and cowrote the 1980s dance hit “It’s raining men.” He has served as musical director for the Rock and Roll Hall of Fame induction ceremony since its inception in ...

Article

Hugh Davies

Electromechanical keyboard instrument developed by Frederick M. Sammis at RCA in Hollywood about 1936 and designed for use in film studios. Each of the ten (or perhaps more) keys on the keyboard controlled a separate strip of pre-recorded film soundtrack, which was played back when the key was depressed. The soundtracks could contain recordings of music, speech, or sound effects. The mechanism of the instrument included a device that silently returned each film strip to its beginning as soon as the key was released. The principle of the ‘singing keyboard’ is the same as that found in several patents in the 1920s for instruments based on sounds pre-recorded on magnetized discs and wires, and in the Mellotron (...

Article

Hugh Davies and Andrei Smirnov

Transistor-based analogue electronic organ. It was developed in 1965 in a special laboratory (established in 1964 by Vyacheslav Mescherin, founder of the Moscow Orchestra of Electro-musical Instruments) at the military factory for radio-electronic devices in Murom, central Russia. The Yunost’ was one of the electronic instruments that made up the V. Mescherin Band, which played dance music on Radio Moscow....