Chair scales: Difference between revisions
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A chair scale is a JI or rank-4 scale whose lattice resembles a chair. Specifically, the lattice takes the form of a 2x2 cube, with an edge extended along the plane of one of its adjacent faces to another 2 notes, for a total of 10 notes in the scale. | |||
[[File:Mr bob.png|thumb|The lattice for the Chair of Mr. Bob.]] | |||
A chair can be identified, up to different modes of the scale, by its lattice subgroup (conventionally 2.3.5.7), the edge which is extended (out of 12), and which plane it is extended along (out of 2). Thus, for a given subgroup or other rank-4 tuning, there are 24 chair scales. | |||
== Scales == | |||
=== The Chair of Mr. Bob === | |||
The chair of Mr. Bob is the prototypical chair scale, created by [[DotuXil]]. | |||
! ChairOfMrBob.scl | ! ChairOfMrBob.scl | ||
! | ! | ||
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105/64 | 105/64 | ||
7/4 | 7/4 | ||
2/1 | |||
=== The Chair of Tristan Bay === | |||
! ChairOfTristanBay.scl | |||
! | |||
Chair scale shared by Tristan Bay | |||
10 | |||
! | |||
35/32 | |||
7/6 | |||
5/4 | |||
4/3 | |||
35/24 | |||
3/2 | |||
5/3 | |||
7/4 | |||
15/8 | |||
2/1 | 2/1 | ||
[[Category:10-tone scales]] | [[Category:10-tone scales]] | ||