B flat minor eleventh, sharp eleventh, add sharp root, 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: C13♯5♭9+♯7, C13♯5♭9+♭1, CM13♯5♭9+♯6, FM11♯9+♯4+♯5, FM11♯9+♯4+♭6, B♭m11♯11+♯1+♯7.

Notes in this chord: B♭♭, B♭, B, D♭, F, A♭, C, E. Integer notation: {0, 1, 4, 5, 8, 9, 10, 11}.

Nearby chords (one less note): C13♯5♭9, CM13♯5♭9, AM9+♯1+♯2, FM11♯9+♯4, B♭m9+♯1+♯7, E11♭7♭9+♯4, B♭m11♯11+♯1, A+2+♯1+♯2+♯5.

Nearby chords (one more note): B13♭5+♯1+♯7, C13♯5+♯1+♯7, G13♭5+♯1+♯2, A♭13♯5+♯1+♯2.

Parallel chords (same structure, different root): Cm11♯11+♯1+♭1, Dm11♯11+♯1+♭1, Em11♯11+♯1+♭1, Fm11♯11+♯1+♭1, Gm11♯11+♯1+♭1, Am11♯11+♯1+♭1, Bm11♯11+♯1+♭1, D♭m11♯11+♯1+♭1, E♭m11♯11+♯1+♭1, G♭m11♯11+♯1+♭1, A♭m11♯11+♯1+♭1.

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