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|Song by Pink Floyd from the album The Division Bell|
|Published||Pink Floyd Music (1987) Ltd|
|Released||28 March 1994 (UK)
5 April 1994 (US)
|Genre||Progressive rock, instrumental rock, ambient|
|Producer(s)||Bob Ezrin and David Gilmour|
It was never performed live by the band, though portions of it were included in the sound collage tape played before their 1994 concerts.
The noise which opens the track caused some confusion among fans in 1994, who were unsure, on playing the album for the first time, whether or not their copy was faulty, as the noise lasts for nearly 1 minute before any music begins. According to an interview with Andy Jackson, recording engineer for the album, this noise is electromagnetic noise from the solar wind. More precisely, this sound is a very low frequency record of dawn chorus and sferics, radio events respectively due to solar wind interference with Earth's magnetosphere, and lightning strikes radio emissions interfering with Ionosphere; this sound is often mistaken for Earth's crust shifting and cracking.
- David Gilmour — guitars
- Nick Mason — drums, percussion
- Richard Wright — piano, Kurzweil synthesizers
- Strong, Martin C. (2004). The Great Rock Discography (7th ed.). Edinburgh: Canongate Books. p. 1178. ISBN 1-84195-551-5.
- Mabbett, Andy (1995). The Complete Guide to the Music of Pink Floyd. London: Omnibus Press. ISBN 0-7119-4301-X.