G flat dominant thirteenth, flat seventh, flat thirteenth, omit root, add sharp fourth

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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+♯2+♯4, A♭+2+4+♯2+♭5, A♭+2+4+♯2+♯11, G♭13♭7♭13-1+♭5, G♭13♭7♭13-1+♯11.

Notes in this chord: B♭, C, D♭, F♭♭, A♭, C♭, E♭♭. Integer notation: {0, 1, 2, 3, 8, 10, 11}.

Nearby chords (one less note): A♭+2+4+♯2, A♭+2+4+♯4, A♭+2+♯2+♯4, A♭+4+♯2+♯4, B♭4+2+♯1+♯2, G♭13♭7♭13-1, A♭dim+2+4+♯3.

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

Parallel chords (same structure, different root): C13♭7♭13-1+♯4, D13♭7♭13-1+♯4, E13♭7♭13-1+♯4, F13♭7♭13-1+♯4, G13♭7♭13-1+♯4, A13♭7♭13-1+♯4, B13♭7♭13-1+♯4, D♭13♭7♭13-1+♯4, E♭13♭7♭13-1+♯4, A♭13♭7♭13-1+♯4, B♭13♭7♭13-1+♯4.

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