For a 4‑string bass guitar:
- Standard (E, Eb, D, BEAD—5‑string style)
- Drop (D, C)
For a 5‑string bass guitar:
- Standard (B, A, High-C—4‑string style, F#BEAD—7‑string style)
- Drop (A)
For a 6‑string bass guitar:
- Standard (B, Low-F#—7‑string style, Low-E—4‑string style)
For a 7‑string bass guitar: