A3+♭9

A major third, add flat ninth

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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: A3+♯1, A3+♭2, F♯-1+♯2, F♯-1+♯9, G♭-1+♯2, G♭-1+♯9.

Notes in this chord: A, C♯, B♭. Integer notation: {1, 9, 10}.

Nearby chords (one less note): A3, A2♭2, G♭-1.

Nearby chords (one more note): A+♯1, A4+♯1, D♭6♯5, G♭+♯2, Gdim+2, A3+2+♯1, A4♯4+♯1, A3+♯1+♯2, A3+♯1+♯7.

Parallel chords (same structure, different root): C3+♭9, D3+♭9, E3+♭9, F3+♭9, G3+♭9, B3+♭9, C♭3+♭9, D♭3+♭9, E♭3+♭9, F♭3+♭9, G♭3+♭9, A♭3+♭9, B♭3+♭9, C♯3+♭9, D♯3+♭9, E♯3+♭9, F♯3+♭9, G♯3+♭9, A♯3+♭9, B♯3+♭9.

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

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