B flat dominant seventh, add sixth, add sharp fifth, add flat 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: Gm9+♯1+♯7, Gm9+♯1+♭1, B♭7+6+♯5+♯7, D+4+♯2+♯4+♯5, D+4+♯2+♯4+♯12, D+4+♯2+♯5+♯11.

Notes in this chord: B♭♭, B♭, D, F, F♯, G, A♭. Integer notation: {2, 5, 6, 7, 8, 9, 10}.

Nearby chords (one less note): Gm9+♯1, B♭7+6+♯5, D+4+♯2+♯4, D+4+♯2+♯5, D+4+♯4+♯5, D+♯2+♯4+♯5, F4+2+♯1+♯2.

Nearby chords (one more note): A13♯5♭9+♯7, D13♯9♭13+♯4, E11♭5+♯1+♯2, E♭M11+♯2+♯4, G9+♯1+♯2+♯7.

Parallel chords (same structure, different root): C7+6+♯5+♭1, D7+6+♯5+♭1, E7+6+♯5+♭1, F7+6+♯5+♭1, G7+6+♯5+♭1, A7+6+♯5+♭1, B7+6+♯5+♭1, D♭7+6+♯5+♭1, E♭7+6+♯5+♭1, G♭7+6+♯5+♭1, A♭7+6+♯5+♭1.

This chord contains too many notes to play on the 6 strings of guitar standard EADGBE tuning (change tuning or instrument).