thumb|Ligeti in 1984 Atmosphères is a piece for orchestra, composed by György Ligeti in 1961. It is noted for eschewing conventional melody and metre in favor of dense sound textures. After Apparitions, it was the second piece Ligeti wrote to exploit what he called a "micropolyphonic" texture. It gained further exposure after being used in Stanley Kubrick's film 2001: A Space Odyssey.
thumb|Ligeti in 1984 Atmosphères is a piece for orchestra, composed by György Ligeti in 1961. It is noted for eschewing conventional melody and metre in favor of dense sound textures. After Apparitions, it was the second piece Ligeti wrote to exploit what he called a "micropolyphonic" texture. It gained further exposure after being used in Stanley Kubrick's film 2001: A Space Odyssey.
==History== Atmosphères was commissioned in 1961 by the Southwest German Radio (SWF) and had its world premiere on 22 October 1961 by Hans Rosbaud conducting the SWF Symphony Orchestra at the Donaueschingen Festival. Ligeti dedicated the piece to the memory of Mátyás Seiber, a fellow Hungarian-born composer who had been killed in a car crash the previous year. The SWF recorded this performance for broadcast, and this recording has been released commercially on CD several times. Paul Griffiths writes that this performance made Ligeti a "talking point". Ligeti says that after this and his earlier piece Apparitions, he "became famous". Atmosphères was a major influence on the German composer Helmut Lachenmann.
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