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: Fm4^+♯1, A♭2⁺⁶⁺⁷, E♯m4^+♯1, G♯2⁺⁶⁺⁷, G♯2⁺⁷⁺¹³, Fdim^♭5+♯1.

Notes in this chord: A♭, B♭, G♭, F. Integer notation: {5, 6, 8, 10}.

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

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

Nearby chords (one less note): Fm4, G♭3⁺², B♭5^+♯5, G♭2^+♯7.

Nearby chords (one more note): G♭M9, B♭7^+♯5, G♭M9^♭5, E♭m⁺²⁺⁴, F4^+♯1+♯2, Fm4^+2+♯1, F♭^♭5+2+♯1, Fdim^+4+♯1.

Parallel chords (same structure, different root): C2⁺⁷⁺¹³, D2⁺⁷⁺¹³, E2⁺⁷⁺¹³, F2⁺⁷⁺¹³, G2⁺⁷⁺¹³, A2⁺⁷⁺¹³, B2⁺⁷⁺¹³, C♭2⁺⁷⁺¹³, D♭2⁺⁷⁺¹³, E♭2⁺⁷⁺¹³, F♭2⁺⁷⁺¹³, G♭2⁺⁷⁺¹³, B♭2⁺⁷⁺¹³, C♯2⁺⁷⁺¹³, D♯2⁺⁷⁺¹³, E♯2⁺⁷⁺¹³, F♯2⁺⁷⁺¹³, G♯2⁺⁷⁺¹³, A♯2⁺⁷⁺¹³, B♯2⁺⁷⁺¹³.

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