A9♭9+6+♯12
A dominant ninth, flat ninth, add sixth, add sharp twelfth

Choose audio sample set:
MSK 007 Leapfrog VCF
(patch;
see
in online store)
MSK 009 Coiler VCF
(patch;
see
in online store)
Equivalent chord symbols: A9♭9+6+♯5, A9♭9+6+♭6, FM11♯5+♯1, FM11♯5+♭2, FM11♯5+♭9, G♭9♭9+♯7+♯9.
Notes in this chord: A, C♯, E, F♯, G, B♭, E♯. Integer notation: {1, 4, 5, 6, 7, 9, 10}.
Nearby chords (one less note): A9♭9+6, FM11♯5, A7+6+♯5, A6+♯1+♯5, G♭9♭9+♯7, Edim+2+4+♯1, G♭+♯1+♯2+♭1.
Nearby chords (one more note): A13♭9+♯5, C13♭9+♯4, A13♯11♭9+♯5, D♭13♯5♯9+♯4, G♭9+♯1+♯2+♯7.
Parallel chords (same structure, different root): C9♭9+6+♯12, D9♭9+6+♯12, E9♭9+6+♯12, F9♭9+6+♯12, G9♭9+6+♯12, B9♭9+6+♯12, D♭9♭9+6+♯12, E♭9♭9+6+♯12, G♭9♭9+6+♯12, A♭9♭9+6+♯12, B♭9♭9+6+♯12.
This chord contains too many notes to play on the 6 strings of guitar standard EADGBE tuning (change tuning or instrument).