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: Am⁺², Am⁺⁹, Esus4^+♯5, Esus4^+♯12, F♭sus4^+♯5, F♭sus4^+♯12.

Notes in this chord: A, B, B♯, E. Integer notation: {0, 4, 9, 11}.

Keys in which this chord fits with enharmonic spelling: CM, GM, B♯M, Em, Am, F♭m

Nearby chords (one less note): Am, A2^+♯2, Asus2, E5^+♯5.

Nearby chords (one more note): Am9, Am9^♭7, A^+2+♯2, Am⁺²⁺⁴, E^+4+♯5, Am^+2+♯1, B4^+7+♯1, F^+♯4+♭1.

Parallel chords (same structure, different root): Csus2^+♯2, Dsus2^+♯2, Esus2^+♯2, Fsus2^+♯2, Gsus2^+♯2, Bsus2^+♯2, C♭sus2^+♯2, D♭sus2^+♯2, E♭sus2^+♯2, F♭sus2^+♯2, G♭sus2^+♯2, A♭sus2^+♯2, B♭sus2^+♯2, C♯sus2^+♯2, D♯sus2^+♯2, E♯sus2^+♯2, F♯sus2^+♯2, G♯sus2^+♯2, A♯sus2^+♯2, B♯sus2^+♯2.

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