A diminished, add fourth, add sharp root, add sharp third, 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: A♭+2+4+♯1+♯4, A♭+2+4+♯1+♭5, F13♯5♯9-1+12, A♭+2+4+♯1+♯11.

Notes in this chord: A♭, A, A♯, C, C♯, D, E♭. Integer notation: {0, 1, 2, 3, 8, 9, 10}.

Nearby chords (one less note): A♭+2+4+♯1, A♭+2+4+♯4, F13♯5♯9-1, A♭+2+♯1+♯4, A♭+4+♯1+♯4, A♭♭5+2+4+♯1, Adim+4+♯1+♯3.

Nearby chords (one more note): F13♯9+♯5, A♭11+♯1+♯4, A♭M11+♯1+♯4, AM11♭5+♯1+♯2, B♭11♭5+♯2+♯7.

Parallel chords (same structure, different root): Cdim+4+♯1+♯3+♭1, Ddim+4+♯1+♯3+♭1, Edim+4+♯1+♯3+♭1, Fdim+4+♯1+♯3+♭1, Gdim+4+♯1+♯3+♭1, Bdim+4+♯1+♯3+♭1, D♭dim+4+♯1+♯3+♭1, E♭dim+4+♯1+♯3+♭1, G♭dim+4+♯1+♯3+♭1, A♭dim+4+♯1+♯3+♭1, B♭dim+4+♯1+♯3+♭1.

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