G♭add♯11 7-string bass chord

How to play G♭add♯11 on 7-string bass

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

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

What notes are in G♭add♯11?

G♭add♯11, G♭ major added sharp eleven, is G♭, B♭, D♭ and C: the root (G♭), the major third (B♭), the perfect fifth (D♭) and the sharp eleventh (C). Its formula is 1 3 5 ♯11.