Perfect Piano Scales & Chords Tutorial

G# Phrygian Mode is a phrygian mode scale based on G#, Consiting of the pitches G#, A, B, C#, D#, E & F#. It's key signature has 4 Sharps. It is the third mode of the E Major Scale. It's relative mode is B Mixolydian and it's parallel mode, G# Mixolydian, Is usually written instead as the enharmonic key of Ab Mixolydian. Since G# Mixolydian, Which may contain 7 Sharps, Not normally used. It's enharmonic equivalent, Ab Phrygian's 6 Flats & 1 Double flat (Or 8 Flats) in it's key signature, Making it impractical to use.
Relative key: B Mixolydian
Parallel key: G# Mixolydian
Dominant key: D# Phrygian
Subdominant key: C# Phrygian
G# Phrygian Mode Scale Degree Triad Chords
Chord i: G# minor (G#-B-D#)
Chord II: A Major (A-C#-E)
Chord III: B Major (B-D#-F#)
Chord iv: C# minor (C#-E-G#)
Chord v°: D#° diminished (D#-F#-A)
Chord VI: E Major (E-G#-B)
Chord vii: F# minor (F#-A-C#)
Ab Phrygian Mode Scale & Chords
Ab Phrygian Mode is a theoretical key and a phrygian mode scale based on Ab, Consiting of the pitches Ab, Bbb, Cb, Db, Eb, Fb & Gb. It's key signature has 6 Flats & 1 Double flat (Or 8 Flats). It is the third mode of the Fb Major Scale. It's relative mode is Cb Mixolydian, Which is usually replaced by B Mixolydian and it's parallel mode is Ab Mixolydian. It's enharmonic equivalent is G# Phrygian, Which is normally used with 4 Sharps in it's key signature.
Relative key: Cb Mixolydian (theoretical)
enharmonic - B Mixolydian
Parallel key: Ab Mixolydian
Dominant key: Eb Phrygian
Subdominant key: Db Phrygian (theoretical)
enharmonic - C# Phrygian
Enharmonic: G# Phrygian
Ab Phrygian Mode Scale Degree Triad Chords
Chord i: Ab minor (Ab-Cb-Eb)
Chord II: Bbb Major (Bbb-Db-Fb)
Chord III: Cb Major (Cb-Eb-Gb)
Chord iv: Db minor (Db-Fb-Ab)
Chord v°: Eb° diminished (Eb-Gb-Bbb)
Chord VI: Fb Major (Fb-Ab-Cb)
Chord vii: Gb minor (Gb-Bbb-Db)

[@AaronCharlesOseraisback]

Next time, I will do the A Phrygian Mode Scale on my next Perfect Piano Scales & Chords Tutorial. Note: There are Total of 15 Scales because other 3 Scales has enharmonic equivalents.

[@AaronCharlesOseraisback]

It's dominant key is D# Phrygian and it's subdominant key is C# Phrygian.
But in the theoretical key of G# Phrygian's enharmonic equivalent, Ab Phrygian,
It's dominant key is Eb Phrygian and it's subdominant key, Db Phrygian, Is usually replaced by C# Phrygian. Since Db Phrygian's 2 Double flats in it's key signature, Making it impractical to use.