B flat major eleventh, 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♯M11+♯1, A♯M11+♭2, B♭M11+♭2, F13-9+♯4, A♯11♯7+♯1, B♭11♯7+♯1.

Notes in this chord: B♭, B, D, F, A, C, E♭. Integer notation: {0, 2, 3, 5, 9, 10, 11}.

Nearby chords (one less note): B♭M11, B♭M11♭9, B♭M9+♯1, F7+4+♯4, F7+6+♯4, B♭+2+4+♯1, Adim+2+4+♯1.

Nearby chords (one more note): F13+♯4, F13♯9+♯4, F13♭9+♯4, B♭M11+♯1+♯2, B♭M11+♯1+♯4.

Parallel chords (same structure, different root): CM11+♯1, DM11+♯1, EM11+♯1, FM11+♯1, GM11+♯1, AM11+♯1, BM11+♯1, C♭M11+♯1, D♭M11+♯1, E♭M11+♯1, F♭M11+♯1, G♭M11+♯1, A♭M11+♯1, C♯M11+♯1, D♯M11+♯1, E♯M11+♯1, F♯M11+♯1, G♯M11+♯1, A♯M11+♯1, B♯M11+♯1.

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