C♯7♭9 5-string bass chord

How to play C♯7♭9 on 5-string bass

The most common way, the first shape above: your ring finger on the B string at the 2nd fret, your index finger on the E string at the 1st fret, your little finger on the A string at the 2nd fret and your middle finger on the G string at the 1st fret. Let the D string ring open.

From the B string 2 1 2 0 1 (x: not played, 0: open)

What notes are in C♯7♭9?

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