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♭4⁺², A♭4⁺⁹, G♯4⁺², A♯2^+7+♯2, A♭3^+2+♯3, B♭2^+7+♯2.

Notes in this chord: G♯, B♯, C♯, A♯. Integer notation: {0, 1, 8, 10}.

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

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

Nearby chords (one less note): A♭4, A♭3⁺², D♭6^-3, B♭2^+♯2.

Nearby chords (one more note): B♭m9, A♭⁺²⁺⁴, B♭m9^♭5, G♭^+2+♯4, A♭4^+2+♯1, A♭4^+2+♯2, A♭^♭5+2+4, Gdim^+4+♯1.

Parallel chords (same structure, different root): C4⁺⁹, D4⁺⁹, E4⁺⁹, F4⁺⁹, G4⁺⁹, A4⁺⁹, B4⁺⁹, C♭4⁺⁹, D♭4⁺⁹, E♭4⁺⁹, F♭4⁺⁹, G♭4⁺⁹, A♭4⁺⁹, B♭4⁺⁹, C♯4⁺⁹, D♯4⁺⁹, E♯4⁺⁹, F♯4⁺⁹, A♯4⁺⁹, B♯4⁺⁹.

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