A7♭9 8-string bass chord

How to play A7♭9 on 8-string bass

The most common way, the first shape above: your undefined finger on the F♯ string at the 3rd fret, your index finger on the B string at the 2nd fret, your ring finger on the E string at the 3rd fret, your middle finger on the D string at the 2nd fret and your little finger on the G string at the 3rd fret. Let the A string ring open. Don’t play the C and F strings.

From the F♯ string 3 2 3 0 2 3 x x (x: not played, 0: open)

What notes are in A7♭9?

A7♭9, A dominant seventh flat nine, is A, C♯, E, G and B♭: the root (A), the major third (C♯), the perfect fifth (E), the minor seventh (G) and the flat ninth (B♭). Its formula is 1 3 5 ♭7 ♭9.