A(♯4) 5-string bass chord

How to play A(♯4) on 5-string bass

The most common way, the first shape above: your index finger on the E string at the 5th fret, your middle finger on the A string at the 6th fret, your little finger on the D string at the 7th fret and your ring finger on the G string at the 6th fret. Don’t play the B string.

From the B string x 5 6 7 6 (x: not played, 0: open)

What notes are in A(♯4)?

A(♯4), A major with sharp four, no fifth, is A, C♯ and D♯: the root (A), the major third (C♯) and the augmented fourth (D♯). Its formula is 1 3 ♯4.