A minor 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: C9+6+♯7, B♯9+6+♯7, C9+13+♯7, G11♭7+♯2, G11♭7+♯9, B♯9+13+♯7.

Notes in this chord: A, A♯, C, E, G, B, D. Integer notation: {0, 2, 4, 7, 9, 10, 11}.

Nearby chords (one less note): Am11, C9+6, C9+♯7, Am9+♯1, G9♭7+♯2, G+2+4+♯2, B♭M9♭5+♯1.

Nearby chords (one more note): D13+♯5, G13+♯2, A11+♯1+♯2, B♭M13♭5+♯1, E13♯9♭13+♯4.

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