A suspended second

music notation
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MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: A2+5, A5+2, E5+4, Esus4, F♭5+4, F♭sus4.

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

Keys in which this chord fits with this spelling: CM, DM, EM, GM, AM, Em, Am, Bm, C♯m, F♯m

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

Nearby chords (one less note): A2, A5, E5.

Nearby chords (one more note): A+2, E+4, Am+2, B4+7, Em+4, Asus4+2, Esus4+2, Asus2+♯1, Esus4+♯1.

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

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