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
D♯ dominant seventh flat fifth chord (D♯, G, A, C♯)
How to play a D♯ dominant seventh flat fifth chord on the guitar at fret 2
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