A9♯9+4

A dominant ninth, sharp ninth, add fourth

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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: A11♯9, C6+2+♯1, C6+9+♯1, C9♭7+♯1, B♯6+2+♯1, B♯9♭7+♯1.

Notes in this chord: A, C♯, D, E, G, B♯. Integer notation: {0, 1, 2, 4, 7, 9}.

Nearby chords (one less note): A7+4, A9♯9, C9♭7, A+4+♯2, C+2+♯1, A4+7+♯2.

Nearby chords (one more note): A13♯9, A11+♯2, E13♯5♯9, A11♯9+♯1, A11♯9+♯4, A13♯9♭13.

Parallel chords (same structure, different root): C9♯9+4, D9♯9+4, E9♯9+4, F9♯9+4, G9♯9+4, B9♯9+4, C♭9♯9+4, D♭9♯9+4, E♭9♯9+4, F♭9♯9+4, G♭9♯9+4, A♭9♯9+4, B♭9♯9+4, C♯9♯9+4, D♯9♯9+4, E♯9♯9+4, F♯9♯9+4, G♯9♯9+4, A♯9♯9+4, B♯9♯9+4.

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

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