Spectral blues

The spectral blues scale is a 7-tone, octave-repeating scale containing the following pitches:

• 268.799
• 499.973
• 568.717
• 700.027
• 884.359
• 953.103
• 1200.000
  

It is a subset of the 1/4-kleismic Dwarf17marv scale.

It melodically resembles the 'septatonic blues' scale of 12edo, but uses the full palette of 11-limit harmony (unavailable in 12edo) by including intervals such as 7/6, 11/8 and 7/4.

Just intonation approximation

• 7/6
• 4/3
• 11/8
• 3/2
• 5/3
• 7/4
• 2/1

Alternate tunings

POTE, 11-limit, Orwell[22] MOS (recommended by scale creator)

• 271.426
• 500.018
• 542.852
• 699.982
• 885.740
• 971.408
• 1200.

158afdo/Over-79 just intonation

• 184/158
• 211/158
• 217/158
• 237/158
• 264/158
• 277/158
• 316/158

17edo

• 282.353
• 494.118
• 564.706
• 705.882
• 917.647
• 988.235
• 1200.

19edo

• 252.632
• 505.263
• 568.421
• 694.737
• 884.211
• 947.368
• 1200.

Equal-beating

• 269.907
• 500.171
• 570.419
• 699.829
• 885.209
• 955.457
• 1200.000

See also

• Antipental blues scale