Bohlen-Pierce Scale Note Monitor

Aleksandr Sood'in
2 min readApr 18, 2021

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Free Max for Live device

My Max for Live device allows you to play in Bohlen-Pierce scale and to see names of notes.

The majority of acoustic, electronic and software musical instruments are based on Twelve-tone equal temperament and Diatonic scale. It is the musical system that divides the octave into 12 parts. The Octave is the interval between one musical pitch and another with double its frequency, like between C2 and C3 on Ableton live piano-roll.

People often reffer to non-western musical scales when they speak about microtonal music, but even though those native scales devide octave on a number of intervals that is different from 12, majority of them is still based on idea of an interval where one frequency is 2 times bigger than another one.

Bohlen–Pierce scale is an alternative musical tuning and scale, that is based on the interval 3:1, tritave (instead of 2:1,octave), that is devided in 13 steps (instead of 12). What a punk!
It has H, H# and J notes and has no D# and G#, so you’re supposed to have a special keyboard, like on the attached photo, but with my device you can play all keys of your regular keyboard and to see which note you press.

Use it together with Max for Live device“Retune”. Retune will generate midi pitch messages and my device will show the name of the note (in the middle of screenshot “H#2”).

Worst case for Product designer, cause nobody need it :-)

Free Download

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Aleksandr Sood'in

Product & sound designer, trying to get hired by Ableton