C C♯/D♭ D D♯/E♭ E F F♯/G♭ G G♯/A♭ A A♯/B♭ B
Major (Ionian mode) Dorian mode Phygian mode Lydian mode Mixolydian mode Minor (Aeolian mode) Locrian Harmonic Minor
G♯ ninth flat fifth chord (G♯, C, D, F♯, A♯)
How to play a G♯ ninth flat fifth chord on the guitar
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