Cluster One

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"Cluster One"
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)
Recorded 1993
Genre Progressive rock, instrumental rock, ambient
Length 5:58
Label EMI (UK)
Columbia (US)
Writer David Gilmour
Rick Wright
Producer Bob Ezrin and David Gilmour
The Division Bell track listing

"Cluster One", an instrumental, is the opening track on Pink Floyd's 1994 album, The Division Bell.[1][2]


It is also the first Pink Floyd song credited to Wright/Gilmour since "Mudmen", from the 1972 album Obscured by Clouds.

It was never performed live by the band, though portions of it were included in the sound collage tape played before their 1994 concerts.[citation needed]

White noise[edit]

The white 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 white noise lasts for nearly 1 minute before any music begins. The noise is actually ultra low frequency and low frequency sounds recorded of the Earth's crust shifting and cracking.[3][4][5] However, according to an interview with Andy Jackson, recording engineer for the album, it's electromagnetic noise from the solar wind.[6]