Electronic music originated in the 1950s as a way to eliminate the human performer and have total control over sound. It uses electronic devices and magnetic tape to produce sound that is then played back through loudspeakers. This allows for any pitch within human hearing thresholds and unrestricted possibilities for dynamics, duration, and timbre. Composers of electronic music, like Stockhausen, had to devise new notation systems without the constraints of conventional instruments or scales. Their scores provided instructions for assembling compositions from tape recordings of electronically produced tone mixtures. While still new, electronic music excited composers with its vast creative possibilities.
Electronic music originated in the 1950s as a way to eliminate the human performer and have total control over sound. It uses electronic devices and magnetic tape to produce sound that is then played back through loudspeakers. This allows for any pitch within human hearing thresholds and unrestricted possibilities for dynamics, duration, and timbre. Composers of electronic music, like Stockhausen, had to devise new notation systems without the constraints of conventional instruments or scales. Their scores provided instructions for assembling compositions from tape recordings of electronically produced tone mixtures. While still new, electronic music excited composers with its vast creative possibilities.
Electronic music originated in the 1950s as a way to eliminate the human performer and have total control over sound. It uses electronic devices and magnetic tape to produce sound that is then played back through loudspeakers. This allows for any pitch within human hearing thresholds and unrestricted possibilities for dynamics, duration, and timbre. Composers of electronic music, like Stockhausen, had to devise new notation systems without the constraints of conventional instruments or scales. Their scores provided instructions for assembling compositions from tape recordings of electronically produced tone mixtures. While still new, electronic music excited composers with its vast creative possibilities.
Electronic music originated in the 1950s as a way to eliminate the human performer and have total control over sound. It uses electronic devices and magnetic tape to produce sound that is then played back through loudspeakers. This allows for any pitch within human hearing thresholds and unrestricted possibilities for dynamics, duration, and timbre. Composers of electronic music, like Stockhausen, had to devise new notation systems without the constraints of conventional instruments or scales. Their scores provided instructions for assembling compositions from tape recordings of electronically produced tone mixtures. While still new, electronic music excited composers with its vast creative possibilities.
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ELECTRONIC MUSIC
Total control in the full sense could be achieved only by eliminating
the human performer. This radical step was accomplished during the 1950's in electronic music. This term is used loosely to describe music produced on electronic instruments such as the Theramin or Ondes Martinot which are "played" by moving the hands towards or away from a sensitive tube, resulting in a whining, musical-saw effect. The term also includes electric instruments that simulate the sound of the organ, guitar, or other conventional instruments. Used more precisely, the term electronic music has nothing to do with synthetic instruments. It refers to a kind of music which originated in the Studio for Electronic Music of the West German Radio, in Cologne, and its sound material is produced by electronic devices, recorded on magnetic tape, and heard through loudspeakers. It is this type of electronic music which will be described here. The basic sound of electronic music is a pure (free from overtones ) sinus tone produced by an oscillator. Because there are no limitations imposed by either instruments or humans, any and all pitches within the thresholds of audibility ( 16 to 20,000 vibrations ) are available, instead of the eighty-eight fixed tones that more than suffice for conventional music. Moreover, the possibilities of dynamic levels are greatly increased since every perceptible level of loudness can be accurately specified. Duration and timbre possibilities are likewise unrestricted. Needless to say, Western music up to this time has used only a fraction of these total resources. The problem for the composer of electronic music is that of constructing order in this new aural universe, and serial music, particularly that of Webern, has provided clues for doing so. Electronic music may rightly be considered a direct outgrowth of the second' Viennese school.
One of the special problems has been the creation of a system
of notation. The conventional symbols, geared to the chromatic scale, are useless of course. Example 187 shows a page from Stockhausen's Elektronische Studien II. This is not so much a score as "working instructions for the electro-acoustical realization of the composition." The upper section, calibrated from 100 to 17,200, refers to pitch and timbre. The individual pitches used in this composition are chosen from a scale of eighty-one steps with a constant interval ratio of 25 V5 (the tempered scale is based on a ratio of 12\/2), and one hundred and ninety-three mixtures constructed from them. The heavy horizontal lines indicate the high and low frequencies of the first sound mixture to which another overlapping mixture is soon added. The two horizontal lines in the middle of the page indicate the duration of the sounds in terms of centimeters of tape moving at a specified speed. The triangular shapes at the bottom indicate volume in decibels. In order to "realize" the composition, i.e. "perform" it, a tape recording would first be made of the one hundred and ninety-three tone mixtures that serve as its basic material. This is the "keyboard," the gamut of sounds from which selections would be chosen and recorded following the instructions of the diagrams. Electronic music is still in its infancy. A number of first-rate musical minds are excited by its possibilities and future developments might be of importance.
A methodical approach to learning and playing the historical clarinet. History, practical experience, fingering charts, daily exercises and studies, repertoire and literature guide. 2nd edition