As If.

This is a semi-procedural composition that was generated using the set of prime numbers { 1, 3, 5, 7, 11, 13, 17, 19, 23 }. 

There are nine tracks in the piece, each one is associated with one of the prime numbers and is visualized as vertical grid. All of the tracks perform an ascending chromatic scale that is 23 notes long, but each of them ascends the scale at a rate related to the prime number assigned to the track. So, the first track, which is in the center, ascends at a rate of 1 sixteenth note per scale degree. The next track ascends at a rate of 3 sixteenth notes per scale degree. The next track 5 sixteenth notes per scale degree and so on. The final track, then, spends 23 sixteenth notes on each scale degree of the chromatic scale. At the beginning of the piece, each track plays each note of the scale degree once. So the first measure of the last track is 1 D followed by a rest of 22 sixteenth notes. Each time that this final track finishes playing the scale once, it replaces one of its rests with another strike of the scale degree in that measure. It does this until is playing each note of the scale 23 times in a row. So, it repeats the scale 23 times. The other tracks follow suit in a similar fashion.

The aural result of this process is an imperceptible shift from something that sounds like a single rapidly ascending scale in the middle of the stereo field surrounded by random tones from the same scale, to endlessly ascending chords moving through the full stereo field.

For those with short attention spans, a much shorter realization of this piece can be found here: http://youtu.be/p7FZed83xxg