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