Sunday 5 April 2009

Sound & Traffic



John Cage talks here about the nature of sound and listening. I was reminded of this clip a few days ago when sat in front of this screen on a warm night like this experiencing the sounds outside my window. The sirens of two police cars in hot pursuit - two notes and glissando going in and out of sync as the distance between the cars alternated between getting slightly nearer and slightly further apart. This created a fluid merging and dissolving effect similar to Steve Reich's use of phasing but with a fluid pulse; plus the Doppler effect as the tones smoothly shifted in comparison to the distance between the cars. This in turn reminded me of the turntablist technique of mixing with pure sine wave records using only the turntables pitch control to vary this otherwise constant tone - a technique first deployed in Cage's 'Imaginary Landscape No.1' composition of 1939. Everything begins and ends with John Cage.

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