A9+♯1

A dominant ninth, add sharp 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: A9+♭2, A9+♭9, B♭dim7+♯1+♭1.

Notes in this chord: A, A♯, C♯, E, G, B. Integer notation: {1, 4, 7, 9, 10, 11}.

Nearby chords (one less note): A9, A9♭9, A+2+♯1, Em+4+♯4, B♭dim7+♯1, Gdim+2+♯3.

Nearby chords (one more note): A11+♯1, A9+♯1+♯2, A9+♯1+♯5, A9+♯1+♯7, A11♯11+♯1, G♭11♯9+♯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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