Major (Ionian) vs Natural Minor (Aeolian)
The C major (ionian) and the C natural minor (aeolian) share 4 notes — C, D, F, G. From there, the C major (ionian) adds E, A, B, while the C natural minor (aeolian) adds Eb, Ab, Bb.
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 0 E (3), fret 1 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 3 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 4 Ab (flat 6), fret 5 A (6), fret 6 Bb (flat 7), fret 7 B (7), fret 8 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 10 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 11 Eb (flat 3), fret 12 E (3), fret 13 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 15 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 16 Ab (flat 6), fret 17 A (6), fret 18 Bb (flat 7), fret 19 B (7), fret 20 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 22 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 23 Eb (flat 3), fret 24 E (3).
- A string: fret 0 A (6), fret 1 Bb (flat 7), fret 2 B (7), fret 3 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 5 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 6 Eb (flat 3), fret 7 E (3), fret 8 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 10 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 11 Ab (flat 6), fret 12 A (6), fret 13 Bb (flat 7), fret 14 B (7), fret 15 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 17 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 18 Eb (flat 3), fret 19 E (3), fret 20 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 22 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 23 Ab (flat 6), fret 24 A (6).
- D string: fret 0 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 1 Eb (flat 3), fret 2 E (3), fret 3 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 5 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 6 Ab (flat 6), fret 7 A (6), fret 8 Bb (flat 7), fret 9 B (7), fret 10 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 12 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 13 Eb (flat 3), fret 14 E (3), fret 15 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 17 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 18 Ab (flat 6), fret 19 A (6), fret 20 Bb (flat 7), fret 21 B (7), fret 22 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 24 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)).
- G string: fret 0 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 1 Ab (flat 6), fret 2 A (6), fret 3 Bb (flat 7), fret 4 B (7), fret 5 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 7 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 8 Eb (flat 3), fret 9 E (3), fret 10 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 12 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 13 Ab (flat 6), fret 14 A (6), fret 15 Bb (flat 7), fret 16 B (7), fret 17 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 19 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 20 Eb (flat 3), fret 21 E (3), fret 22 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 24 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)).
- B string: fret 0 B (7), fret 1 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 3 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 4 Eb (flat 3), fret 5 E (3), fret 6 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 8 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 9 Ab (flat 6), fret 10 A (6), fret 11 Bb (flat 7), fret 12 B (7), fret 13 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 15 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 16 Eb (flat 3), fret 17 E (3), fret 18 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 20 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 21 Ab (flat 6), fret 22 A (6), fret 23 Bb (flat 7), fret 24 B (7).
- e string: fret 0 E (3), fret 1 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 3 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 4 Ab (flat 6), fret 5 A (6), fret 6 Bb (flat 7), fret 7 B (7), fret 8 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 10 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 11 Eb (flat 3), fret 12 E (3), fret 13 F (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), fret 15 G (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), fret 16 Ab (flat 6), fret 17 A (6), fret 18 Bb (flat 7), fret 19 B (7), fret 20 C (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), fret 22 D (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), fret 23 Eb (flat 3), fret 24 E (3).
Both scales above are drawn on one guitar fretboard in the key of C. Notes belonging to both are drawn as a split two-color dot, so the notes they share and the notes unique to each are visible in one picture.
How the formulas differ
Scale degrees are the key-independent way to compare two scales — these stay the same in every key, and they are what actually distinguishes one scale from another.
| Scale | Degrees |
|---|---|
| Major (Ionian) | R · 2 · 3 · 4 · 5 · 6 · 7 |
| Natural Minor (Aeolian) | R · 2 · b3 · 4 · 5 · b6 · b7 |
Notes in common
| Note | In Major (Ionian) | In Natural Minor (Aeolian) |
|---|---|---|
| C | R | R |
| D | 2 | 2 |
| F | 4 | 4 |
| G | 5 | 5 |
Notes that differ
- Only in the major (ionian): E (3), A (6), B (7)
- Only in the natural minor (aeolian): Eb (b3), Ab (b6), Bb (b7)