If you modulate this down a major third, you'll find that it's the same thing, just shifted in time. Ditto for modulating down another major third. Since three major third intervals equal an octave, this closes the modulation loop.
D / / C | Bb / / Ab | F# / / E ...
Bb / / Ab | F# / / E | D / / C ...
F# / / E | D / / C | Bb / / Ab ...
The song goes like this:
After the piano establishes the cycle, the flute comes in with a melody.
Then a little later the marimba comes in, shifted over a measure and modulated down a third.
Finally, the horns come in, shifted over another measure and modulated down another third.
NYC_street level.wav (http://freesound.iua.upf.edu/samplesViewSingle.php?id=44797)
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file0006 Water Fall, Mill, Billerica.mp3 (http://freesound.iua.upf.edu/samplesViewSingle.php?id=37816)
file0389 party horns.mp3 (http://freesound.iua.upf.edu/samplesViewSingle.php?id=44917)
By smokeyvw (http://freesound.iua.upf.edu/usersViewSingle.php?id=103206)
Party Sounds.wav (http://freesound.iua.upf.edu/samplesViewSingle.php?id=23153)
Party then screams 2.wav (http://freesound.iua.upf.edu/samplesViewSingle.php?id=23154)
By FreqMan (http://freesound.iua.upf.edu/usersViewSingle.php?id=92661)
rocket report and scream.wav (http://freesound.iua.upf.edu/samplesViewSingle.php?id=32984)
By cognito perceptu (http://freesound.iua.upf.edu/usersViewSingle.php?id=57789)
The lengths of the sections here are dictated by the needs of the film - there's little wiggle-room on that.
This track is based heavily on Perhaps She's Channeling.
In the latest discussion with the film maker, it was decided to use only portions of this track along with material from Perhaps She's Channeling and a modified version of Red.
I'd love to hear your guess on what the film's story is - its entire duration is the length of this soundtrack.
A sound track for a short film "Time Lapse Tide at Moncton, New Brunswick"
A time lapse movie of the tide from the Bay of Fundy entering the river at Moncton. A very slight wave (the tidal bore) is visible in a few frames, but it was unremarkable. However, the river completely filled in only an hour.