Standard
C♯ ninth flat five · Frets 3–4
C♯9♭5 guitar chord
What it is
Root
Notes
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Best match1Exact match
How to play C♯9♭5 on guitar
The most common way, the first shape above: lay your index finger flat across the four strings from the D to the high E at the 3rd fret, your middle finger on the A string at the 4th fret, your ring finger on the G string at the 4th fret and your little finger on the B string at the 4th fret. Don’t play the low E string.
From the low E string x 4 3 4 4 3 (x: not played, 0: open)
An easier C♯9♭5
The full shape is a barre chord, hard at first. This one needs no full barre and sounds much the same: your little finger on the A string at the 4th fret, your index finger on the D string at the 1st fret and your middle finger on the high E string at the 1st fret. Let the G and B strings ring open. Don’t play the low E string.
x 4 1 0 0 1
C♯9♭5, the easier shape
StandardOpen position · 5 strings
What notes are in C♯9♭5?
C♯9♭5, C♯ ninth flat five, is C♯, E♯, G, B and D♯: the root (C♯), the major 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 ›
Ninth flat five chords in every key
C9♭5spicyD9♭5spicyE♭9♭5spicyE9♭5spicyF9♭5spicyF♯9♭5spicyG9♭5spicyG♯9♭5spicyA9♭5spicyB♭9♭5spicyB9♭5spicy