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: Adim⁺², Adim^+♭3, B3^+7+♯1, B3^+♯1+♯6, C♭3^+7+♯1, C♭3^+♯1+♯6.

Notes in this chord: A, C, E♭, B. Integer notation: {0, 3, 9, 11}.

Nearby chords (one less note): Adim, A2^+♯2, B3^+♯1, Asus2^♭5.

Nearby chords (one more note): B9^♭9, Am9^♭5, F7^+♯4, B4^+7+♯1, A♭^+♯1+♯2, Adim⁺²⁺⁴, Adim^+2+♯1, Adim^+2+♯3.

Parallel chords (same structure, different root): Cdim⁺⁹, Ddim⁺⁹, Edim⁺⁹, Fdim⁺⁹, Gdim⁺⁹, Bdim⁺⁹, C♭dim⁺⁹, D♭dim⁺⁹, E♭dim⁺⁹, F♭dim⁺⁹, G♭dim⁺⁹, A♭dim⁺⁹, B♭dim⁺⁹, C♯dim⁺⁹, D♯dim⁺⁹, E♯dim⁺⁹, F♯dim⁺⁹, G♯dim⁺⁹, A♯dim⁺⁹, B♯dim⁺⁹.

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