melodic modes in 19 & 17

Brian writes:

> Jeff Stayton's guitar accompaniment used an entirely different mode:
> (Descending)
> LsmssmsL where L = 3 scale-steps in 19
> s = 1 scale-step in 19
> m = 2 scale-steps in 19
> I.e.,
> 4 20=1 19 17 16 15 13 12 9
> (scale degrees played: numbered
> from 1 to 19, with 20 = 1)
> Stayton varied his mode by substituting 2 single scale-steps for a
> 2-degree "m" step: thus he might play
> LsssssmsL instead of LsmssmsL, for example.

Something is wrong with this passage, the steps do not add up to
19, but 14.

This must be a typo:
> 1 6 4 1 5 (ascending: intervals in
> number of 19-tone scale-steps)
^ 17

Manuel Op de Coul coul@ezh.nl

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