Pinetone: Difference between revisions
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33.3391 142.6653 176.0044 209.3435 318.6697 352.0088 461.335 494.6741 528.0132 637.3394 704.0176 737.3567 846.6829 880.022 913.3611 1022.6873 1056.0264 1165.3526 1198.6917. | 33.3391 142.6653 176.0044 209.3435 318.6697 352.0088 461.335 494.6741 528.0132 637.3394 704.0176 737.3567 846.6829 880.022 913.3611 1022.6873 1056.0264 1165.3526 1198.6917. | ||
The porcutone hyperchromatic scales may alternatively be tuned to 27edo, 34edo, or 41edo: | |||
27edo: 7L 1m 11s = (2, 2, 1) = (88.8889c, 88.8889c, 44.4444c) | |||
34edo: 7L 1m 11s = (3, 2, 1) = (105.8824c, 70.5882c, 35.2941c) | |||
41edo: 7L 1m 11s = (4, 2, 1) = (117.0732c, 58.5366c, 29.2683c). | |||
== Comma pump == | == Comma pump == | ||
We can't use our circle of fifths (Meantone comma pump) or our Porcupine comma pumps here, as both 81/80 and 250/243 are observed. In the ptolemismic tuning we temper out 100/99 which we can can pump with chord progressions such as | We can't use our circle of fifths (Meantone comma pump) or our Porcupine comma pumps here, as both 81/80 and 250/243 are observed. In the ptolemismic tuning we temper out 100/99 which we can can pump with chord progressions such as | ||