D Major (Ionian) — Bass
D Major (Ionian) on bass: notes D, E, F#, G, A, B, C# — 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 | D |
| 2 | E |
| 3 | F# |
| 4 | G |
| 5 | A |
| 6 | B |
| 7 | C# |