C♯add♭13 7-string guitar chord

How to play C♯add♭13 on 7-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 string ring open. Don’t play the high B and high E strings.

From the low B string 2 1 0 3 1 x x (x: not played, 0: open)

What notes are in C♯add♭13?

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