SN scale: Difference between revisions

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MET-24 can be generated from the diatonic scale by iterating b) once more, and then applying a), introducing a quarter-tone type step. It has step signature ~~5L 12M 7s~~. A capital 'M' specifies that the size of the medium step is closer to the size of the large step than to the size of the small step. A lower case 'm' would specify the ~~converse~~. We may write the signature alternatively as (5,12,7).

MET-24 can be generated from the diatonic scale by iterating b) once more, and then applying a), introducing a quarter-tone type step. It has step signature 5'''L'''12'''M'''7'''s'''. A capital '''M''' specifies that the size of the medium step is closer to the size of the large step than to the size of the small step. A lower case '''m''' would specify the opposite. We may write the signature alternatively as (5,12,7).

The double harmonic scale can be generated by iterating a) three times, introducing first the octave, then the fifth, then the major third, leading to a major seven tetrad, and then applying b) once. It has step signature ~~2L 1M 4s~~, and in the symmetric mode, it has step arrangement sLsMsLs.

The double harmonic scale can be generated by iterating a) three times, introducing first the octave, then the fifth, then the major third, leading to a major seven tetrad, and then applying b) once. It has step signature 2'''L'''1'''M'''4'''s''', and in the symmetric mode, it has step arrangement '''sLsMsLs'''.

For more examples of 3-SN scales, see [[Gallery of 3-SN scales]].

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-MET-24 can be generated from the diatonic scale by iterating b) once more, and then applying a), introducing a quarter-tone type step. It has step signature 5L 12M 7s. A capital 'M' specifies that the size of the medium step is closer to the size of the large step than to the size of the small step. A lower case 'm' would specify the converse. We may write the signature alternatively as (5,12,7).
+MET-24 can be generated from the diatonic scale by iterating b) once more, and then applying a), introducing a quarter-tone type step. It has step signature 5'''L'''12'''M'''7'''s'''. A capital '''M''' specifies that the size of the medium step is closer to the size of the large step than to the size of the small step. A lower case '''m''' would specify the opposite. We may write the signature alternatively as (5,12,7).
-The double harmonic scale can be generated by iterating a) three times, introducing first the octave, then the fifth, then the major third, leading to a major seven tetrad, and then applying b) once. It has step signature 2L 1M 4s, and in the symmetric mode, it has step arrangement sLsMsLs.
+The double harmonic scale can be generated by iterating a) three times, introducing first the octave, then the fifth, then the major third, leading to a major seven tetrad, and then applying b) once. It has step signature 2'''L'''1'''M'''4'''s''', and in the symmetric mode, it has step arrangement '''sLsMsLs'''.
 For more examples of 3-SN scales, see [[Gallery of 3-SN scales]].