A♭4♯4+2

A flat major fourth, sharp fourth, add second

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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♯9-5, B♭9-5, A♭♭5+2, A♭♭5+9, G♯♭5+2, G♯♭5+9.

Notes in this chord: A♭, B♭, C, D. Integer notation: {0, 2, 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♭♭5, A♭3+2, B♭3+2, A♭sus2♭5.

Nearby chords (one more note): B♭9, C9♯5, B♭9♯5, A♭M9♭5, A♭+2+♯4, A♭♭5+2+4, A♭♭5+2+♯1, A♭♭5+2+♯2.

Parallel chords (same structure, different root): C4♯4+2, D4♯4+2, E4♯4+2, F4♯4+2, G4♯4+2, A4♯4+2, B4♯4+2, C♭4♯4+2, D♭4♯4+2, E♭4♯4+2, F♭4♯4+2, G♭4♯4+2, B♭4♯4+2, E♯4♯4+2, B♯4♯4+2.

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

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