Banjo A6 chord (Open D)A sixth on the 5-string banjo: 2 3 4 4, and 3 more shapes

Frets, string 4 to string 1: 2 3 4 4 (first position)

1. String 4 (D): 2nd fret, index finger, E
2. String 3 (F♯): 3rd fret, middle finger, A
3. String 2 (A): 4th fret, ring finger, C♯
4. String 1 (D): 4th fret, little finger, F♯
5. String 5, the short f♯: open, F♯, in the chord

Sounds: E A C♯ F♯  ·  A6 is A, C♯, E, F♯ (1 · 3 · 5 · 6)

The 5th string: the short f♯ is the 6th of A6, so let it ring.

With a capo: on the 2nd fret it’s 0 1 2 2 (frets counted from the capo), an open G6 shape. Spike the 5th string at the 7th fret to keep it in tune with the capo.

Open D tuning: f♯DF♯AD, the short 5th string first, then strings 4 to 1.