A♭+9+♯4

A flat major, add 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: B♭11-5, A♭+2+♯4, G♯+2+♯4, G♯+9+♯4, A♭+2+♯11, G♯+2+♯11.

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

Keys in which this chord fits with this spelling: E♭M, Cm

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

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

Nearby chords (one more note): B♭11, B♭11♯5, B♭11♭5, B♭13-5, A♭+2+4+♯4, A♭+2+♯1+♯4, A♭+2+♯2+♯4.

Parallel chords (same structure, different root): C+9+♯4, D+9+♯4, E+9+♯4, F+9+♯4, G+9+♯4, A+9+♯4, B+9+♯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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