Music Theory

Key & Mode Explorer

Choose a key to discover its relative and parallel counterparts, plus all seven diatonic modes.

Select a Key

Mode

Selected Key

C Major

No sharps or flats

CDEFGAB

Relative Key

Same key signature, different tonic — shares all the same notes.

A Minor

No sharps or flats

ABCDEFG

Parallel Key

Same tonic, opposite mode — same starting note, different scale pattern.

C Minor

3 sharps

CDD♯ / E♭FGG♯ / A♭A♯ / B♭

Diatonic Modes

Seven modes built from the C Major scale, starting on each degree.

Ionian

1°

C Major

CDEFGAB

Dorian

2°

D Minor

DEFGABC

Phrygian

3°

E Minor

EFGABCD

Lydian

4°

F Major

FGABCDE

Mixolydian

5°

G Major

GABCDEF

Aeolian

6°

A Minor

ABCDEFG

Locrian

7°

B Diminished

BCDEFGA