Electronic
The first polyphonic digital sampling synthesizer was the Australian-produced Fairlight CMI, first available in 1979. In 1974, the WDR studio in Cologne acquired an EMS Synthi 100 synthesizer, which many composers used to produce notable electronic works—including Rolf Gehlhaar's Fünf deutsche Tänze , Karlheinz Stockhausen's Sirius (1975–76), and John McGuire's Pulse Music III . IRCAM in Paris became a major center for computer music research and realization and development of the Sogitec 4X computer system, featuring then revolutionary real-time digital signal processing. Japanese Electronic Music These techniques were used to compose soundtracks for several films in Germany and Russia, in addition to the popular Dr. Jekyll and Mr. Hyde in the United States. Experiments with graphical sound were continued by Norman McLaren from the late 1930s. Developments of the vacuum tube led to electronic instruments that were smaller, amplified, and more practical for performance