A♯2+♯1

A sharp major second, add sharp root

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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: A♯2+♭2, A♯2+♭9, B♭2+♯1, B♭2+♭2, B♭2+♭9, B2♭2+♯7.

Notes in this chord: A♯, A♯♯, B♯. Integer notation: {0, 10, 11}.

Nearby chords (one less note): B♭2, B2♭2, B♭2♭2.

Nearby chords (one more note): G4+♯2, G♭♭5+4, A2+♯1+♯2, B3+♯1+♯7, B♭2+7+♯1, B♭3+2+♯1, B♭2+♯1+♯2, B♭sus2+♯1, B♭sus2♭5+♯1.

Parallel chords (same structure, different root): C2+♯1, D2+♯1, E2+♯1, F2+♯1, G2+♯1, A2+♯1, B2+♯1, C♭2+♯1, D♭2+♯1, E♭2+♯1, F♭2+♯1, G♭2+♯1, A♭2+♯1, B♭2+♯1, C♯2+♯1, D♯2+♯1, E♯2+♯1, F♯2+♯1, G♯2+♯1, B♯2+♯1.

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

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