In my composition studies at „lietuvos muzikos ir teatro akademija“ in Vilnius I came across using 12 tone techniques from Schoenberg/Hauer in combination with the Bohlen-Pierce scale discovered independently by Heinz Bohlen in early 1970’s and John Pierce.
This scale is based on mainly odd frequency ratios and divides the duodezime (ratio 3:1) into 13 steps. You can listen to the equally tempered scale here:
If you want to know how to use non-standard tunings and scales in combination with your MIDI keyboard or favourite music notation software read on!
- Bohlen-Pierce Site http://www.huygens-fokker.org/bpsite/↩