Double Harmonic and Napolitan Minor fingerings
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The Double Harmonic and Napolitan Minor fingerings seem to be the same.
They both produce scale steps 1 b2 b3 4 5 b6 7 8 (intervals 1-2-2-2-1-3-1, pitch class set {0,1,3,5,7,8,11}).
Scala (as of 12-Nov-2018) lists this scale with the names: Neapolitan Minor, Mela Dhenuka, Raga Bhinnasadjam, Dhunibinnashadjam, Kirvanti, Takka, Maqam Shahnaz Kurdi, and Hungarian Gipsy. The Wiki page is at https://en.wikipedia.org/wiki/Neapolitan_scale.
So ... the Napolitan Minor name that the Sylphyo uses seems to fit this scale well.
I am scratching my head as to the intended scale for the Sylphyo fingering named Double Harmonic.
Wikipedia lists Double Harmonic Major (https://en.wikipedia.org/wiki/Double_harmonic_scale#Modes) with scale steps 1 b2 3 4 5 b6 7 8 (intervals 1-3-1-2-1-3-1), which is the same as the Harmonic Major scale on the Sylphyo, and a wide range of names from various sources (Byzantine; Double Harmonic; Hungarian Gypsy Persian; Theta, Bhairav, etc etc).
