A♭9+♯4

A flat dominant ninth, add sharp 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: A♯11♯5, A♭9+♭5, B♭11♯5, G♯9+♯4, A♭11♯11, G♯11♯11.

Notes in this chord: A♭, C, D, E♭, G♭, B♭. Integer notation: {0, 2, 3, 6, 8, 10}.

Nearby chords (one less note): A♭9, B♭9♯5, Cm9♭5, A♭7+♯4, A♭+2+♯4, G♭9♯5♭7.

Nearby chords (one more note): B♭13♯5, A♭11+♯4, A♭13♯11, B♭11♯5+♯1, G♭13♯5♯11, A♭11♯11+♯1.

Parallel chords (same structure, different root): C9+♯4, D9+♯4, E9+♯4, F9+♯4, G9+♯4, A9+♯4, B9+♯4, C♭9+♯4, D♭9+♯4, E♭9+♯4, F♭9+♯4, G♭9+♯4, B♭9+♯4, C♯9+♯4, D♯9+♯4, E♯9+♯4, F♯9+♯4, G♯9+♯4, A♯9+♯4, B♯9+♯4.

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

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