C2+♯1+♯2+♭1
C major second, add sharp root, add sharp second, add flat root

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MSK 007 Leapfrog VCF
(patch;
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in online store)
MSK 009 Coiler VCF
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in online store)
Equivalent chord symbols: B3+2+♯1+♯2, B3+2+♯1+♯9, B3+2+♯1+♭3, C2+♯1+♯2+♯7, D♭2+7+♯1+♯7, D♭2+7+♯1+♭1.
Notes in this chord: C♭, C, C♯, D, D♯. Integer notation: {0, 1, 2, 3, 11}.
Nearby chords (one less note): B3+2+♯1, B2+♯1+♯2, B3+♯1+♯2, C2+♯1+♯2, D♭2+7+♯1.
Nearby chords (one more note): B+2+♯1+♯2, G+4+♯4+♯5, A♭+4+♯2+♯4, B4+2+♯1+♯2, Adim+2+4+♯3, B♭4+2+♯1+♯2, Bdim+2+♯1+♯3.
Parallel chords (same structure, different root): D2+♯1+♯2+♭1, E2+♯1+♯2+♭1, F2+♯1+♯2+♭1, G2+♯1+♯2+♭1, A2+♯1+♯2+♭1, B2+♯1+♯2+♭1, D♭2+♯1+♯2+♭1, E♭2+♯1+♯2+♭1, G♭2+♯1+♯2+♭1, A♭2+♯1+♯2+♭1, B♭2+♯1+♯2+♭1.
Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):
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