B♭aug(add9) 8-string guitar chord

How to play B♭aug(add9) on 8-string guitar

The most common way, the first shape above: your little finger on the F♯ string at the 4th fret, your middle finger on the low B string at the 3rd fret, your index finger on the low E string at the 2nd fret and your ring finger on the A string at the 3rd fret. Let the D string ring open. Don’t play the G, high B and high E strings.

From the F♯ string 4 3 2 3 0 x x x (x: not played, 0: open)

What notes are in B♭aug(add9)?

B♭aug(add9), B♭ augmented added ninth, is B♭, D, F♯ and C: the root (B♭), the major third (D), the augmented fifth (F♯) and the ninth (C). Its formula is 1 3 ♯5 9.