f(t)20 / 35Glass-bell pop
2,3,5,7,11,13
The numbers that only 1 and themselves can divide.
The equation
2, 3, 5, 7, 11, 13, …
What the equation decides
The bell rings only on prime overtones. Four loops of 2, 3, 5 and 7 sixteenths drift apart and line up every 210 steps, where a gong strikes.
What was composed
Bell melody, whistle answers, chords and electric piano.
Score
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