A♭+♯4

A flat major, 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♭+♭5, G♯+♯4, G♯+♭5, A♭+♯11, Cm♯5+2, G♯+♯11.

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

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♭, A♭♭5, C2+♯2, A♭sus4♯4.

Nearby chords (one more note): A♭6+♯4, A♭7+♯4, A♭+2+♯4, A♭+4+♯4, A♭+♯1+♯4, A♭+♯2+♯4, A♭+♯4+♯5, A♭+♯4+♭1.

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

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

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