Standard
A thirteenth flat nine · Frets 3–5
A13♭9 guitar chord
What it is
Root
Notes
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How to play A13♭9 on guitar
The most common way, the first shape above: lay your index finger flat across the three strings from the G to the high E at the 3rd fret, your ring finger on the low E string at the 5th fret, your middle finger on the A string at the 4th fret, your middle finger on the D string at the 4th fret and your little finger on the B string at the 5th fret.
From the low E string 5 4 4 3 5 3 (x: not played, 0: open)
An easier A13♭9
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 D string at the 4th fret, your middle finger on the G string at the 3rd fret, your index finger on the B string at the 2nd fret and your ring finger on the high E string at the 3rd fret. Let the A string ring open. Don’t play the low E string.
x 0 4 3 2 3
A13♭9, the easier shape
StandardOpen position · 5 strings
What notes are in A13♭9?
A13♭9, A thirteenth flat nine, is A, C♯, E, G, B♭ and F♯: the root (A), the major third (C♯), the perfect fifth (E), the minor seventh (G), the flat ninth (B♭) and the thirteenth (F♯). Its formula is 1 3 5 ♭7 ♭9 13.
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Thirteenth flat nine chords in every key
C13♭9spicyC♯13♭9spicyD13♭9spicyE♭13♭9spicyE13♭9spicyF13♭9spicyF♯13♭9spicyG13♭9spicyA♭13♭9spicyB♭13♭9spicyB13♭9spicy