The Composition

4. Movements

Variable 4 is comprised of 24 musical movements, each of which contains scored, recorded and programmed elements. Every movement also corresponds to a set of meteorological conditions:

• temperature
• rainfall
• wind speed
• humidity
• sunshine hours

If the current weather conditions correspond to a given movement, the piece will gradually begin to transition towards this movement.

On top of this piece-scale layer, multiple elements are operating over shorter timescales which respond to more immedate weather conditions (wind direction, short-time wind speed, solar radiation) to give finer details. These, too, are related to each movement.

The movements are numbered following the Circle of Fifths, and subtitled according to Italian tempo or expression markings which best describe their mood.

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