neděle 8. března 2009

Electronic music

Electronic music is music that employs electronic musical instruments and electronic music technology in its production. [1] In general a distinction can be made between sound produced using electromechanical means and that produced using electronic technology.[2] Examples of electromechanical sound producing devices include the telharmonium, Hammond organ, and the electric guitar. Purely electronic sound production can be achieved using devices such as the Theremin, sound synthesizer, and computer.[3]

Electronic music was once associated almost exclusively with Western art music but from the late 1960s on the availability of affordable music technology meant that music produced using electronic means became increasingly common in the popular domain.[4] Today electronic music includes many varieties and ranges from experimental art music to popular forms such as electronic dance music.
The ability to record sounds is often connected to the production of electronic music, but not absolutely necessary for it. The earliest known sound recording device was the phonautograph, patented in 1857 by Édouard-Léon Scott de Martinville. It could record sounds visually, but was not meant to play them back.[5]

In 1878, Thomas A. Edison patented the phonograph, which used cylinders similar to Scott's device. Although cylinders continued in use for some time, Emile Berliner developed the disc phonograph in 1887.[6]

A significant invention, which was later to have a profound effect on electronic music, was Lee DeForest's triode audion. This was the first thermionic valve, or vacuum tube, invented in 1906, which led to the generation and amplification of electrical signals, radio broadcasting, and electronic computation, amongst other things.

Before electronic music, there was a growing desire for composers to use emerging technologies for musical purposes. Several instruments were created that employed electromechanical designs and they paved the way for the later emergence of electronic instruments. An electromechanical instrument called the Telharmonium (sometimes Teleharmonium or Dynamophone) was developed by Thaddeus Cahill in the years 1898-1912. However, simple inconvenience hindered the adoption of the Telharmonium, due to its immense size. The first electronic instrument is often viewed to be the Theremin, invented by Professor Leon Theremin circa 1919–1920.[7] Another early electronic instrument was the Ondes Martenot, which was most famously used in the Turangalîla-Symphonie by Olivier Messiaen as well as other works by him. It was also used by other, primarily French, composers such as Andre Jolivet.
This decade brought a wealth of early electronic instruments. Along with the Theremin, there is the presentation of the Ondes Martenot[13], which was designed to reproduce the microtonal sounds found in Hindu music,[citation needed] and the Trautonium. Maurice Martenot invented the Ondes Martenot in 1928, and soon demonstrated it in Paris.

Another development, which aroused the interest of many composers, occurred in 1919–1920. In Leningrad, Leon Theremin (actually Lev Termen) built and demonstrated his Etherophone, which was later renamed the Theremin. This led to the first compositions for electronic instruments, as opposed to noisemakers and re-purposed machines. In 1929, Joseph Schillinger composed First Airphonic Suite for Theremin and Orchestra, premièred with the Cleveland Orchestra with Leon Theremin as soloist.

In 1924, Ottorino Respighi composed The Pines of Rome, which calls for the use of a phonograph recording of nightingales. However, at the time of composition, phonograph players were acoustical, not electric, and this is actually more along the lines of using a sound effect, and therefore cannot be considered an electroacoustic element in the composition.

The following year, Antheil first composed for mechanical devices, electrical noisemakers, motors and amplifiers in his unfinished opera, Mr. Bloom, as a response to the "art of noises" of Luigi Russolo, Marinetti and the other Futurists.[citation needed] And just one year later in 1926, was the première of Antheil's Ballet Mécanique, using car horns, airplane propellers, saws, and anvils (but no electronics).

Recording of sounds made a leap in 1927, when American inventor J. A. O'Neill developed a recording device that used magnetically coated ribbon. However, this was a commercial failure. Two years later, Laurens Hammond established his company for the manufacture of electronic instruments. He went on to produce the Hammond organ, which was based on the principles of the Telharmonium, along with other developments including early reverberation units.[14][citation needed]

The method of photo-optic sound recording used in cinematography made it possible to obtain a visible image of a sound wave, as well as to realize the opposite goal—synthesizing a sound from an artificially drawn sound wave. The research work by the Russian optical engineer Evgeny Murzin[citation needed] taken from 1937 to 1957[citation needed] made it possible to create a photoelectric synthesizer—a musical instrument that combined three processes: creation, recording, and playback of music. Murzin named his invention in honour of the composer Alexander Nikolayevich Scriabin (“ANS”).
Karlheinz Stockhausen worked briefly in Schaeffer's studio in 1952, and afterward for many years at the WDR Cologne's Studio for Electronic Music.

In Cologne, what would become the most famous electronic music studio in the world was officially opened at the radio studios of the NWDR in 1953, though it had been in the planning stages as early as 1950 and early compositions were made and broadcast in 1951.[17] The brain child of Werner Meyer-Eppler, Robert Beyer, and Herbert Eimert (who became its first director), the studio was soon joined by Karlheinz Stockhausen and Gottfried Michael Koenig. In his 1949 thesis Elektronische Klangerzeugung: Elektronische Musik und Synthetische Sprache, Meyer-Eppler conceived the idea to synthesize music entirely from electronically produced signals; in this way, elektronische Musik was sharply differentiated from French musique concrète, which used sounds recorded from acoustical sources.[18]

With Stockhausen and Mauricio Kagel in residence, it became a year-round hive of charismatic avante-gardism [sic]" [19] on two occasions combining electronically generated sounds with relatively conventional orchestras—in Mixtur (1964) and Hymnen, dritte Region mit Orchester (1967).[20] Stockhausen stated that his listeners had told him his electronic music gave them an experience of "outer space," sensations of flying, or being in a "fantastic dream world"[21] More recently, Stockhausen turned to producing electronic music in his own studio in Kürten, his last work in the genre being Cosmic Pulses (2007).
Also in the U.S., in the same year, significant developments were happening in New York City. Columbia University purchased its first tape recorder—a professional Ampex machine—for the purpose of recording concerts.

Vladimir Ussachevsky, who was on the music faculty of Columbia University, was placed in charge of the device, and almost immediately began experimenting with it.

Herbert Russcol writes: "Soon he was intrigued with the new sonorities he could achieve by recording musical instruments and then superimposing them on one another."[25]

Ussachevsky said later: "I suddenly realized that the tape recorder could be treated as an instrument of sound transformation."[25][citation needed]

On Thursday, May 8, 1952, Ussachevsky presented several demonstrations of tape music/effects that he created at his Composers Forum, in the McMillin Theatre at Columbia University. These included Transposition, Reverberation, Experiment, Composition, and Underwater Valse. In an interview, he stated: "I presented a few examples of my discovery in a public concert in New York together with other compositions I had written for conventional instruments."[25] Otto Luening, who had attended this concert, remarked: "The equipment at his disposal consisted of an Ampex tape recorder . . . and a simple box-like device designed by the brilliant young engineer, Peter Mauzey, to create feedback, a form of mechanical reverberation. Other equipment was borrowed or purchased with personal funds."[26]

Just three months later, in August 1952, Ussachevsky traveled to Bennington, Vermont at Luening's invitation to present his experiments. There, the two collaborated on various pieces. Luening described the event: "Equipped with earphones and a flute, I began developing my first tape-recorder composition. Both of us were fluent improvisors and the medium fired our imaginations."[26] They played some early pieces informally at a party, where "a number of composers almost solemnly congratulated us saying, 'This is it' ('it' meaning the music of the future)."[26]

Word quickly reached New York City. Oliver Daniel telephoned and invited the pair to "produce a group of short compositions for the October concert sponsored by the American Composers Alliance and Broadcast Music, Inc., under the direction of Leopold Stokowski at the Museum of Modern Art in New York. After some hesitation, we agreed. . . . Henry Cowell placed his home and studio in Woodstock, New York, at our disposal. With the borrowed equipment in the back of Ussachevsky's car, we left Bennington for Woodstock and stayed two weeks. . . . In late September, 1952, the travelling laboratory reached Ussachevsky's living room in New York, where we eventually completed the compositions."[26]

Two months later, on October 28, Vladimir Ussachevsky and Otto Luening presented the first Tape Music concert in the United States. The concert included Luening's Fantasy in Space (1952)—"an impressionistic virtuoso piece"[26] using manipulated recordings of flute—and Low Speed (1952), an "exotic composition that took the flute far below its natural range."[26] Both pieces were created at the home of Henry Cowell in Woodstock, NY. After several concerts caused a sensation in New York City, Ussachevsky and Luening were invited onto a live broadcast of NBC's Today Show to do an interview demonstration—the first televised electroacoustic performance. Luening described the event: "I improvised some [flute] sequences for the tape recorder. Ussachevsky then and there put them through electronic transformations."[27]

1954 saw the advent of what would now be considered authentic electric plus acoustic compositions—acoustic instrumentation augmented/accompanied by recordings of manipulated and/or electronically generated sound. Three major works were premiered that year: Varèse's Déserts, for chamber ensemble and tape sounds, and two works by Luening and Ussachevsky: Rhapsodic Variations for the Louisville Symphony and A Poem in Cycles and Bells, both for orchestra and tape. Because he had been working at Schaeffer's studio, the tape part for Varèse's work contains much more concrete sounds than electronic. "A group made up of wind instruments, percussion and piano alternates with mutated sounds of factory noises and ship sirens and motors, coming from two loudspeakers."[28]

Déserts was premiered in Paris in the first stereo broadcast on French Radio. At the German premiere in Hamburg, which was conducted by Bruno Maderna, the tape controls were operated by Karlheinz Stockhausen.[28] The title Déserts, suggested to Varèse not only, "all physical deserts (of sand, sea, snow, of outer space, of empty streets), but also the deserts in the mind of man; not only those stripped aspects of nature that suggest bareness, aloofness, timelessness, but also that remote inner space no telescope can reach, where man is alone, a world of mystery and essential loneliness.
These were fertile years for electronic music—not just for academia, but for independent artists as synthesizer technology became more accessible. By this time, a strong community of composers and musicians working with new sounds and instruments was established and growing. 1960 witnessed the composition of Luening's Gargoyles for violin and tape as well as the premiere of Stockhausen's Kontakte for electronic sounds, piano, and percussion. This piece existed in two versions—one for 4-channel tape, and the other for tape with human performers. "In Kontakte, Stockhausen abandoned traditional musical form based on linear development and dramatic climax. This new approach, which he termed 'moment form,' resembles the 'cinematic splice' techniques in early twentieth century film."[34]

The first of these synthesizers to appear was the Buchla. Appearing in 1963, it was the product of an effort spearheaded by musique concrète composer Morton Subotnick. In 1962, working with a grant from the Rockefeller Foundation, Subotnick and business partner Ramon Sender hired electrical engineer Don Buchla to build a "black box" for composition.[citation needed]

The theremin had been in use since the 1920s but it attained a degree of popular recognition through its use in science-fiction film soundtrack music in the 1950s (e.g., Bernard Herrmann's classic score for The Day the Earth Stood Still). During the 1960s the theremin made occasional appearances in popular music, most notably on The Beach Boys 1966 "Good Vibrations".

In the UK in this period, the BBC Radiophonic Workshop (established in 1958) emerged one of the most productive and widely known electronic music studios in the world, thanks in large measure to their work on the BBC science-fiction series Doctor Who. One of the most influential British electronic artists in this period was Workshop staffer Delia Derbyshire, who added a keen musical ear to her great technical prowess; she is famous for her landmark 1963 electronic realisation of the iconic Doctor Who theme, composed by Ron Grainer, arguably the most widely known piece of electronic music in the world. Derbyshire and her colleagues -- including Dick Mills, Brian Hodgson (creator of the TARDIS sound effect), David Cain, John Baker, Paddy Kingsland and Peter Howell -- collectively created a large and very varied body of work that includes station ID stings, program jingles, soundtracks, atmospheres and sound effects for BBC TV and radio stations and programs.

Milton Babbitt composed his first electronic work using the synthesizer—his Composition for Synthesizer—which he created using the RCA synthesizer at CPEMC.

For Babbitt, the RCA synthesizer was a dream come true for three reasons. First, the ability to pinpoint and control every musical element precisely. Second, the time needed to realize his elaborate serial structures were brought within practical reach. Third, the question was no longer "What are the limits of the human performer?" but rather "What are the limits of human hearing?[35]

The collaborations also occurred across oceans and continents. In 1961, Ussachevsky invited Varèse to the Columbia-Princeton Studio (CPEMC). Upon arrival, Varese embarked upon a revision of Déserts. He was assisted by Mario Davidovsky and Bülent Arel.[36]

The intense activity occurring at CPEMC and elsewhere inspired the establishment of the San Francisco Tape Music Center in 1963 by Morton Subotnick, with additional members Pauline Oliveros, Ramon Sender, Terry Riley, and Anthony Martin. The center soon incorporated a voltage-controlled synthesizer based around automated sequencing by Don Buchla, and used in album-length Subotnick pieces such as Silver Apples of the Moon (1967) and The Wild Bull (1968).

Later, the Center moved to Mills College, directed by Pauline Oliveros, where it is today known as the Center for Contemporary Music.[37][38]

Back across the Atlantic, in Czechoslovakia, 1964, the First Seminar of Electronic Music was held at the Radio Broadcast Station in Plzen. Four government-sanctioned electroacoustic music studios were later established in the 1960s under the auspices of extant radio and television stations.

New instruments continued to develop. One of the most significant breakthroughs came in 1964, when Robert Moog introduced the Moog synthesizer, the first integrated modular voltage controlled analog synthesiser system. Moog Music later introduced a smaller synthesizer with a built-in keyboard and hardwired signal path called The Minimoog, which was introduced to many composers and universities and beacme widely used by popular musicians.

A well-known example of the use of Moog's full-sized Moog Modular synthesizer is the Switched-On Bach album by Wendy Carlos, which triggered a craze for synthesiser music. This decade saw construction of more than 50 electronic music studios in the USA, mostly in universities.[citation needed]

Pietro Grossi was an italian pioneer of computer composition and tape music, who first experimented with electronic techniques in the early sixties. Grossi was a cellist and composer, born in Venice in 1917. He founded the S 2F M (Studio de Fonologia Musicale di Firenze) in 1963 in order to experiment with electronic sound and composition.

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