Fo​(​u​)​r Tunings (performed @ROD Concert Hall 2011)

by Brendan Byrnes

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For orchestra, microtonal guitar, "rock band", and electronic backing track. This piece uses 4 different tuning systems: Bohlen-Pierce (13 equal divisions of a perfect 12th), 13-limit Just Intonation, 20 EDO (equal divisions of the octave), and standard 12 EDO. Performed at the Roy O. Disney Concert Hall at CalArts, December 2011. Score available at


released July 28, 2012
Conducted by Mark Menzies featuring the CalArts Orchestra, Brendan Byrnes, Michael Day, and Justin Asher. Features a Freenote 12-tone Ultra Plus guitar designed by Jon Catler.



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Brendan Byrnes Los Angeles, California

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