Standard
C dominant seventh flat five flat nine · Frets 2–3
C7♭5♭9 guitar chord
What it is
Root
Notes
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Best match1Exact match
How to play C7♭5♭9 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 2nd fret, your middle finger on the A string at the 3rd fret and your ring finger on the G string at the 3rd fret. Don’t play the low E string.
From the low E string x 3 2 3 2 2 (x: not played, 0: open)
An easier C7♭5♭9
The full shape is a barre chord, hard at first. This one needs no full barre and sounds much the same: your middle finger on the A string at the 3rd fret, your little finger on the D string at the 4th fret, your ring finger on the G string at the 3rd fret and your index finger on the B string at the 2nd fret. Let the high E string ring open. Don’t play the low E string.
x 3 4 3 2 0
C7♭5♭9, the easier shape
StandardOpen position · 5 strings
What notes are in C7♭5♭9?
C7♭5♭9, C dominant seventh flat five flat nine, is C, E, G♭, B♭ and D♭: the root (C), the major 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
CbrightCmsadC7the pullCmaj7dreamyCm7mellowCsus2openCsus4openCadd9sweetCdimthe edgeCauguneasyC6sweetCm6bittersweetC9the pullC7sus4openC5rawCm7♭5the edgeCdim7the edgeEvery C chord ›
Dominant seventh flat five flat nine chords in every key
C♯7♭5♭9spicyD7♭5♭9spicyD♯7♭5♭9spicyE7♭5♭9spicyF7♭5♭9spicyF♯7♭5♭9spicyG7♭5♭9spicyG♯7♭5♭9spicyA7♭5♭9spicyB♭7♭5♭9spicyB7♭5♭9spicy
C7♭5♭9 on other instruments
7-string guitar8-string guitarBass5-string bass6-string bass7-string bass8-string bassUkuleleMandolinBanjo