Standard
C♯ half-diminished ninth · Open position
C♯m9♭5 guitar chord
What it is
Root
Notes
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Best match1Exact match
How to play C♯m9♭5 on guitar
The most common way, the first shape above: your middle finger on the A string at the 2nd fret, your index finger on the D string at the 1st fret and your ring finger on the B string at the 2nd fret. Let the low E, G and high E strings ring open.
From the low E string 0 2 1 0 2 0 (x: not played, 0: open)
What notes are in C♯m9♭5?
C♯m9♭5, C♯ half-diminished ninth, is C♯, E, G, B and D♯: the root (C♯), the minor third (E), the diminished fifth (G), the minor seventh (B) and the ninth (D♯). Its formula is 1 ♭3 ♭5 ♭7 9.
More C♯ chords on guitar
D♭brightC♯msadC♯7the pullD♭maj7dreamyC♯m7mellowC♯sus2openC♯sus4openD♭add9sweetC♯dimthe edgeD♭auguneasyD♭6sweetC♯m6bittersweetC♯9the pullC♯7sus4openC♯5rawC♯m7♭5the edgeC♯dim7the edgeEvery C♯ chord ›
Half-diminished ninth chords in every key
Cm9♭5the edgeDm9♭5the edgeD♯m9♭5the edgeEm9♭5the edgeFm9♭5the edgeF♯m9♭5the edgeGm9♭5the edgeG♯m9♭5the edgeAm9♭5the edgeB♭m9♭5the edgeBm9♭5the edge
C♯m9♭5 on other instruments
7-string guitar8-string guitarBass5-string bass6-string bass7-string bass8-string bassUkuleleMandolinBanjo