Music box

http://www.coverpop.com/whitney/index.php?var=v1
music box variations:
var. 0 - chromatic - 48 tines
var. 1 - harmonics of 55hz
var. 2 - harmonics of 20hz
var. 3 - harmonics of 48hz, reversed
var. 4 - harmonics of 48hz, palindrome
var. 5 - chromatic - 88 tines
var. 6 - microtones - 48 tones in one octave
var. 7 - harmonics - 120 tines, reversed
var. 8 - chromatic - 88 organ pipes, rev.
var. 9 - chromatic - 88 bars, rev.
var. 10 - chromatic - 64 pipe cyrpto calliope
var. 11 - minute waltz - 60 keys, 60 seconds
var. 12 - chromatic - prime numbers only
var. 13 - chromatic - non-primes only
a musical realization of the motion graphics of john whitney as described in his book "digital harmony"