F+♯9+♭1
F major, add sharp ninth, add flat root

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: C6♯5+4, F+♯2+♭1, F+♭1+♭3, E♯+♯2+♭1, E♯+♯9+♭1, E♯+♭1+♭3.
Notes in this chord: F♭, F, A, C, G♯. Integer notation: {0, 4, 5, 8, 9}.
Nearby chords (one less note): C6♯5, F+♯2, F+♭1, A♭6♯5, E4+♯1.
Nearby chords (one more note): FM11♯9, FM9+♯2, Dm11♯11, A♭6+♯1+♯5, E+4+♯1+♯5, F+♯1+♯2+♭1, F+♯2+♯5+♭1.
Parallel chords (same structure, different root): C+♯9+♭1, D+♯9+♭1, E+♯9+♭1, G+♯9+♭1, A+♯9+♭1, B+♯9+♭1, C♭+♯9+♭1, D♭+♯9+♭1, E♭+♯9+♭1, F♭+♯9+♭1, G♭+♯9+♭1, A♭+♯9+♭1, B♭+♯9+♭1, C♯+♯9+♭1, D♯+♯9+♭1, E♯+♯9+♭1, F♯+♯9+♭1, G♯+♯9+♭1, A♯+♯9+♭1, B♯+♯9+♭1.
Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):
(loading)