Sinbadmic chords: Difference between revisions
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The triads are of the form | The triads are of the form | ||
* 1-[[7/5]]-[[20/13]], with steps [[7/5]]-[[11/10]]-[[13/10]], | * 1-[[7/5]]-[[20/13]], with steps of [[7/5]]-[[11/10]]-[[13/10]], | ||
and its inversion, | and its inversion, | ||
* 1-[[7/5]]-[[20/11]], with steps [[7/5]]-[[13/10]]-[[11/10]]. | * 1-[[7/5]]-[[20/11]], with steps of [[7/5]]-[[13/10]]-[[11/10]]. | ||
It leads to | It leads to following tetrads: | ||
* 1-[[11/10]]-[[13/10]]-[[10/7]] | * 1-[[11/10]]-[[13/10]]-[[10/7]] with steps of [[11/10]]-[[13/11]]-[[11/10]]-[[7/5]]; | ||
* 1-[[11/10]]-[[10/7]]-[[11/7]] with steps of [[11/10]]-[[13/10]]-[[11/10]]-[[14/11]]; | |||
* 1-[[13/10]]-[[10/7]]-[[13/7]] with steps of [[13/10]]-[[11/10]]-[[13/10]]-[[14/13]]. | |||
Equal temperaments with sinbadmic chords include {{ | Equal temperaments with sinbadmic chords include {{Optimal ET sequence| 29, 31, 43, 50, 53, 58, 72, 87, 103, 111, 130, 183, 190, 198, 270, 571, 590, 643, 860, 1130, 1431 and 1701 }}, with [[1701edo]] giving the [[optimal patent val]]. | ||
The name is derived from the ''sinbadma'' (1001/1000), a [[comma]] that is reminiscent of the [[Wikipedia: One Thousand and One Nights|tales of 1001 Nights]]. | The name is derived from the ''sinbadma'' (1001/1000), a [[comma]] that is reminiscent of the [[Wikipedia: One Thousand and One Nights|tales of 1001 Nights]]. |