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Lattices

by Cotter Koopman

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1.
J 02:33
2.
T 02:16
3.
U 01:58
4.
D 03:39
5.
Q 02:23
6.
F 02:44
7.
M 02:11
8.
C 02:06
9.
X 03:20
10.
I 03:50

about

These are patterns of impossible player-piano music, coded in ORCA—Instead of writing and playing this music, I wrote rules that interacted to generate it alone from pools of notes. As a result, rhythms are often derived from modular arithmetic, polymeters, and "Euclidean" divisions, and melodies are derived from the interlocking patterns they form. Each track is named for an ORCA letter-operator central to its mechanics.

[All sound info generated using Hundred Rabbits’ ORCA, a sequencer-meets-coding environment. All sounds voiced by Felt Instrument’s “Lekko” piano VST.]

100r.co/site/orca
feltinstruments.com/Lekko

All proceeds benefit Grand Rapids Area Mutual Aid Network.

credits

released April 30, 2021

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all rights reserved

tags

about

Cotter Koopman Grand Rapids, Michigan

synthesizing, sampling, songwriting

(+ a dreamy Christmas compilation every Advent.)

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