C♯7♭13 8-string guitar chord

How to play C♯7♭13 on 8-string guitar

The most common way, the first shape above: your ring finger on the low B string at the 2nd fret, your index finger on the low E string at the 1st fret, your little finger on the D string at the 3rd fret and your middle finger on the G string at the 1st fret. Let the A and high B strings ring open. Don’t play the F♯ and high E strings.

From the F♯ string x 2 1 0 3 1 0 x (x: not played, 0: open)

What notes are in C♯7♭13?

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