D7♭13 7-string bass chord

How to play D7♭13 on 7-string bass

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

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

What notes are in D7♭13?

D7♭13, D dominant seventh flat thirteen, is D, F♯, A, C and B♭: the root (D), the major third (F♯), the perfect fifth (A), the minor seventh (C) and the flat thirteenth (B♭). Its formula is 1 3 5 ♭7 ♭13.