C♯4+♯9
C sharp major fourth, add sharp ninth

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: C♯4+♯2, C♯4+♭3, D♭4+♯2, D♭4+♯9, D♭4+♭3, E2+6+♯1.
Notes in this chord: C♯, E♯, F♯, D♯♯. Integer notation: {1, 4, 5, 6}.
Nearby chords (one less note): D♭4, D♭m4, E2+♯1, D♭3+♯2.
Nearby chords (one more note): A6+♯5, G♭7+♯7, D♭+4+♯2, D♭4+2+♯2, D♭4+7+♯2, B♯♭5+4+♯1, D♭4+♯1+♯2, D♭♭5+4+♯2.
Parallel chords (same structure, different root): C4+♯9, D4+♯9, E4+♯9, F4+♯9, G4+♯9, A4+♯9, B4+♯9, C♭4+♯9, D♭4+♯9, E♭4+♯9, F♭4+♯9, G♭4+♯9, A♭4+♯9, B♭4+♯9, D♯4+♯9, E♯4+♯9, F♯4+♯9, G♯4+♯9, A♯4+♯9, B♯4+♯9.
Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):
(loading)