A9-1

A dominant ninth, omit root

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MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: G6♭5, Em6♯6, F♭m6♯6, Edim7♯5, D♭dim7♯7, F♭dim7♯5.

Notes in this chord: C♯, E, G, B. Integer notation: {1, 4, 7, 11}.

Keys in which this chord fits with this spelling: DM, Bm

Keys in which this chord fits with enharmonic spelling: C♭m

Nearby chords (one less note): Em, E6-3, G4♯4, D♭dim.

Nearby chords (one more note): A9, E6+♯2, Em9♭7, G6+♯4, D♭m9♭5, C+♯1+♭1, D♭9♯9♭5, B♭dim7+♯1.

Parallel chords (same structure, different root): C9-1, D9-1, E9-1, F9-1, G9-1, B9-1, C♭9-1, D♭9-1, E♭9-1, F♭9-1, G♭9-1, A♭9-1, B♭9-1, C♯9-1, D♯9-1, E♯9-1, F♯9-1, G♯9-1, A♯9-1, B♯9-1.

Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):

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