piano scale
G Phrygian dominant
G1A♭♭2B3C4D5E♭♭6F♭7
The fifth mode of harmonic minor: a flat second over a major third, so the step from the second to the third is a step and a half.
Written out
Every accidental is written in, rather than left to a key signature, so the letters can be read one at a time.
The step pattern
GHA♭W+HBHCWDHE♭WFWG
What is true of it
G Phrygian dominant is G, A♭, B, C, D, E♭ and F, and back to G.
Its steps are H – W+H – H – W – H – W – W, where W is a whole step and H a half.
On the same tonic, G Phrygian differs from it by exactly one note.
Chords made only of these notes
CmminorDdimdiminishedDm7♭5half-diminished seventhE♭augaugmentedFmminorFdimdiminishedFm7minor seventhFm7♭5half-diminished seventh
Found by testing every chord in the catalogue against these 7 sounds, not chosen.
Other scales on G
G Lydian dominantexoticG alteredexoticG double harmonicexoticG majormajorG natural minorminorG harmonic minorminor
C phr domC♯ phr domD♭ phr domD phr domD♯ phr domE♭ phr domE phr domF phr domall 374