Standard
C♯ half-diminished seventh flat nine · Frets 2–4
C♯m7♭5♭9 guitar chord
What it is
Root
Notes
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How to play C♯m7♭5♭9 on guitar
The most common way, the first shape above: your ring finger on the A string at the 4th fret, your index finger on the D string at the 2nd fret, your little finger on the G string at the 4th fret, your middle finger on the B string at the 3rd fret and your middle finger on the high E string at the 3rd fret. Don’t play the low E string.
From the low E string x 4 2 4 3 3 (x: not played, 0: open)
What notes are in C♯m7♭5♭9?
C♯m7♭5♭9, C♯ half-diminished seventh flat nine, is C♯, E, G, B and D: the root (C♯), the minor third (E), the diminished fifth (G), the minor seventh (B) and the flat 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 seventh flat nine chords in every key
Cm7♭5♭9the edgeDm7♭5♭9the edgeD♯m7♭5♭9the edgeEm7♭5♭9the edgeFm7♭5♭9the edgeF♯m7♭5♭9the edgeGm7♭5♭9the edgeG♯m7♭5♭9the edgeAm7♭5♭9the edgeA♯m7♭5♭9the edgeBm7♭5♭9the edge
C♯m7♭5♭9 on other instruments
7-string guitar8-string guitarBass5-string bass6-string bass7-string bass8-string bassUkuleleMandolinBanjo