B flat dominant eleventh, add sharp root, add sharp fourth

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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♯11+♯1+♯4, A♯11+♯4+♭2, B♭11+♯4+♭2, A♯11+♯1+♯11, B♭11+♯1+♯11, CM11♯5+♯2+♯6.

Notes in this chord: B♭, B, D, E, F, A♭, C, E♭. Integer notation: {0, 2, 3, 4, 5, 8, 10, 11}.

Nearby chords (one less note): B♭11+♯1, B♭11+♯4, B♭11♭5+♯1, B♭11♭9+♯4, CM11♯5+♯2, B♭11♯11+♯1, C11♯5♯9+♯7, B♭+2+4+♯1+♯4.

Nearby chords (one more note): B♭13+♯1+♯4, C13♯5+♯2+♯7, B♭11+♯1+♯2+♯4, B♭13♭13+♯1+♯4.

Parallel chords (same structure, different root): C11+♯1+♯4, D11+♯1+♯4, E11+♯1+♯4, F11+♯1+♯4, G11+♯1+♯4, A11+♯1+♯4, B11+♯1+♯4, C♭11+♯1+♯4, D♭11+♯1+♯4, E♭11+♯1+♯4, F♭11+♯1+♯4, G♭11+♯1+♯4, A♭11+♯1+♯4, C♯11+♯1+♯4, D♯11+♯1+♯4, E♯11+♯1+♯4, F♯11+♯1+♯4, G♯11+♯1+♯4, A♯11+♯1+♯4, B♯11+♯1+♯4.

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