CH·01 / F IONIAN
I
F Ionian
Happy, bright, resolved — built from F major
PARENT FAMILY · F MAJ
All 7 modes share the same parent scale (F major). F Ionian is the I mode.
| # | Mode | Diatonic chords | Mood |
|---|---|---|---|
| I | F Ionian | Fmaj7 – Gm7 – Am7 – B♭maj7 – C7 – Dm7 – Em7♭5 | Happy, bright, resolved |
| II | G Dorian | Gm7 – Am7 – A♯maj7 – C7 – Dm7 – Em7♭5 – Fmaj7 | Soulful, minor but with hope |
| III | A Phrygian | Am7 – A♯maj7 – C7 – Dm7 – Em7♭5 – Fmaj7 – Gm7 | Dark, tense, Spanish/flamenco |
| IV | B♭ Lydian | B♭maj7 – C7 – Dm7 – Em7♭5 – Fmaj7 – Gm7 – Am7 | Dreamy, floating, ethereal |
| V | C Mixolydian | C7 – Dm7 – Em7♭5 – Fmaj7 – Gm7 – Am7 – A♯maj7 | Bluesy, dominant, rock |
| VI | D Aeolian | Dm7 – Em7♭5 – Fmaj7 – Gm7 – Am7 – A♯maj7 – C7 | Melancholic, natural minor |
| VII | E Locrian | Em7♭5 – Fmaj7 – Gm7 – Am7 – A♯maj7 – C7 – Dm7 | Unstable, tense, dissonant |
SCALE · 7 NOTES · 1 2 3 4 5 6 7
F
G
A
B♭
C
D
E
Formula: 1 2 3 4 5 6 7
The Ionian scale on F contains the notes F, G, A, B♭, C, D, E. The pentatonic subset is F, G, A, C, D.
Characteristic note: the major 7th gives it a bright, resolved sound.
DIATONIC 7ths · CHORD PAD
I
Fmaj7
II
Gm7
III
Am7
IV
B♭maj7
V
C7
VI
Dm7
VII
Em7♭5
▸ Play F Ionian over Fmaj7 and C7 progressions.
FRETBOARD · STANDARD TUNING · 15F● LIVE
CHARACTER · HAPPY, BRIGHT, RESOLVED
HAPPY, BRIGHT, RESOLVED
F Ionian is a major mode with a happy, bright, resolved character. It is the I mode of F major — it uses the same 7 notes as F Ionian but is rooted on F, which shifts the harmonic focus and creates a completely different sound. The tonic chord is Fmaj7.
Where to use F Ionian
Major key melodies, pop, folk, classical.
Famous examples
- Happy Birthday
- Let It Be
- most pop songs
What makes it distinctive: the major 7th gives it a bright, resolved sound.
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