B♭2+7+♯7

B flat dominant second, add seventh, add sharp seventh

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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+7+♯7, A♭3+2+♯1, A♭3+9+♯1, G♯3+2+♯1, G♯3+9+♯1, B♭2+♯6+♯7.

Notes in this chord: B♭, C, A♭, A. Integer notation: {0, 8, 9, 10}.

Nearby chords (one less note): A♭3+2, A♭2+♯1, A♭3+♯1, B♭2+♯7.

Nearby chords (one more note): C7♯5+6, F+4+♯2, A♭+2+♯1, A♭4+2+♯1, Gm4+2+♯1, A♭♭5+2+♯1, G♭♭5+2+♯2, A♭3+2+♯1+♯2.

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

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

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