B♭2+♯2+♯7

B flat dominant second, add sharp second, add sharp seventh

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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: A3+♯1+♯2, A3+♯1+♯9, A♯2+♯2+♯7, A♯2+♯7+♯9, B♭2+♯2+♭1, B♭2+♯7+♯9.

Notes in this chord: B♭, C, C♯, A. Integer notation: {0, 1, 9, 10}.

Nearby chords (one less note): A3+♯1, A3+♯2, B♭2+♯2, B♭2+♯7.

Nearby chords (one more note): F+4+♯5, A+♯1+♯2, A4+♯1+♯2, A♭4+2+♯1, G♭+♯2+♯4, Gdim+2+4, A3+2+♯1+♯2, Adim+♯1+♯3.

Parallel chords (same structure, different root): C2+♯2+♯7, D2+♯2+♯7, E2+♯2+♯7, F2+♯2+♯7, G2+♯2+♯7, A2+♯2+♯7, B2+♯2+♯7, C♭2+♯2+♯7, D♭2+♯2+♯7, E♭2+♯2+♯7, F♭2+♯2+♯7, G♭2+♯2+♯7, A♭2+♯2+♯7, C♯2+♯2+♯7, D♯2+♯2+♯7, E♯2+♯2+♯7, F♯2+♯2+♯7, G♯2+♯2+♯7, A♯2+♯2+♯7, B♯2+♯2+♯7.

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

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