C♯dim+♭9

C sharp diminished, add flat ninth

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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: A11-1-9, C♯dim+♯1, C♯dim+♭2, D♭dim+♯1, D♭dim+♭2, D♭dim+♭9.

Notes in this chord: C♯, E, G, D. Integer notation: {1, 2, 4, 7}.

Keys in which this chord fits with this spelling: DM, Bm

Keys in which this chord fits with enharmonic spelling: C♭m

Nearby chords (one less note): G6-3, D2+♯7, D♭dim, Gsus4♯4.

Nearby chords (one more note): A7+4, G6+♯4, C+2+♯1, D♭dim7+♯1, D♭m+♯1+♯4, D♭♭5+♯1+♯2, D♭dim+2+♯1, D♭dim+4+♯1.

Parallel chords (same structure, different root): Cdim+♭9, Ddim+♭9, Edim+♭9, Fdim+♭9, Gdim+♭9, Adim+♭9, Bdim+♭9, C♭dim+♭9, D♭dim+♭9, E♭dim+♭9, F♭dim+♭9, G♭dim+♭9, A♭dim+♭9, B♭dim+♭9, D♯dim+♭9, E♯dim+♭9, F♯dim+♭9, G♯dim+♭9, A♯dim+♭9, B♯dim+♭9.

Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):

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