The 5-string banjo is usually tuned to open G: g D G B D, where the short 5th string (the high g) sits next to the thickest one. Strummed open, it sounds a G major chord.
Banjo tuning
| Tuning | Strings | Frequencies (Hz, A4 = 440) |
|---|---|---|
| Open G (5 strings) | G4 D3 G3 B3 D4 | 392.00 · 146.83 · 196.00 · 246.94 · 293.66 |