Bb Major (Ionian) — Bass
Bb Major (Ionian) on bass: notes Bb, C, D, Eb, F, G, A — free scale chart, no sign-up. The reference scale of Western music — every mode, key signature, and most chord theory is measured against this seven-note major pattern.
| R | Bb |
| 2 | C |
| 3 | D |
| 4 | Eb |
| 5 | F |
| 6 | G |
| 7 | A |