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: A2^+6+♯2, F♯dim⁺⁴, F♯dim⁺¹¹, F♯dim^+♭5, G♭dim⁺¹¹, G♭dim^+♭5.

Notes in this chord: G♭, B♭♭, C♭, D♭♭. Integer notation: {0, 6, 9, 11}.

Keys in which this chord fits with this spelling: F♭m

Keys in which this chord fits with enharmonic spelling: GM, Em

Nearby chords (one less note): G♭m4, A2^+♯2, G♭dim, Bsus2^♭2.

Nearby chords (one more note): B9^♭9, D7⁺⁶, Am9^♭7, F^+♯1+♯4, G♭m^+4+♯4, G♭^♭5+4+♯2, G♭dim⁺²⁺⁴, G♭dim^+4+♯1.

Parallel chords (same structure, different root): Cdim⁺⁴, Ddim⁺⁴, Edim⁺⁴, Fdim⁺⁴, Gdim⁺⁴, Adim⁺⁴, Bdim⁺⁴, C♭dim⁺⁴, D♭dim⁺⁴, E♭dim⁺⁴, F♭dim⁺⁴, A♭dim⁺⁴, B♭dim⁺⁴, C♯dim⁺⁴, D♯dim⁺⁴, E♯dim⁺⁴, F♯dim⁺⁴, G♯dim⁺⁴, A♯dim⁺⁴, B♯dim⁺⁴.

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