A♭9+4

A flat dominant 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: A♭11, G♯11, G♯9+4, A♭9+♯3, G♯9+♯3, B♭m11♯5.

Notes in this chord: A♭, C, D♭, E♭, G♭, B♭. Integer notation: {0, 1, 3, 6, 8, 10}.

Keys in which this chord fits with this spelling: D♭M, B♭m

Keys in which this chord fits with enharmonic spelling: C♯M, A♯m

Nearby chords (one less note): A♭9, A♭7+4, G♭9♭7, A♭+2+4, G♭6+♯4, G♭+2+♯4.

Nearby chords (one more note): A♭13, E♭13♯9, A♭11+♯1, A♭11+♯2, A♭11+♯4, G♭13♯11.

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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