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Major (Ionian) vs Natural Minor (Aeolian) on Piano

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.

C3C4C5CRD2E3F4G5A6B7CRD2E3F4G5A6B7CREbb3Abb6Bbb7Ebb3Abb6Bbb7

Piano, C3 to C5. Notes in this scale, low to high: C3 (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), D3 (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), Eb3 (flat 3), E3 (3), F3 (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), G3 (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), Ab3 (flat 6), A3 (6), Bb3 (flat 7), B3 (7), C4 (root of C Major (Ionian) and root of C Natural Minor (Aeolian)), D4 (2 of C Major (Ionian) and 2 of C Natural Minor (Aeolian)), Eb4 (flat 3), E4 (3), F4 (4 of C Major (Ionian) and 4 of C Natural Minor (Aeolian)), G4 (5 of C Major (Ionian) and 5 of C Natural Minor (Aeolian)), Ab4 (flat 6), A4 (6), Bb4 (flat 7), B4 (7), C5 (root of C Major (Ionian) and root of C Natural Minor (Aeolian)).

Swipe the chart sideways to see all of it.

Both scales above are drawn on one piano keyboard 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.

ScaleDegrees
Major (Ionian)R · 2 · 3 · 4 · 5 · 6 · 7
Natural Minor (Aeolian)R · 2 · b3 · 4 · 5 · b6 · b7

Notes in common

Shared notes in C, with each scale's own degree name
NoteIn Major (Ionian)In Natural Minor (Aeolian)
CRR
D22
F44
G55

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)

Compare these in ScaleSpace →