North Coast Synthesis Ltd.

Choose audio sample set:
MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: A♭⁺², G♯⁺², G♯⁺⁹, A♭M⁺², Cm7^♯5, G♯M⁺².

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

Keys in which this chord fits with this spelling: D♭M, E♭M, A♭M, Cm, Fm, B♭m

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

Nearby chords (one less note): A♭, A♭3⁺², E♭6^-3, A♭sus2.

Nearby chords (one more note): A♭9, A♭M9, A♭9^♭7, A♭⁺²⁺⁴, A♭^+2+♯1, A♭^+2+♯2, A♭^+2+♯4, A♭^+2+♯5.

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

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