C Ionian
The C Ionian mode — C D E F G A B — shown across the guitar neck.
Tap any note on the neck.
Swipe the neck sideways to see the higher frets.
C Ionian is the major scale — same seven notes, same order. The mode name describes which chord you treat as home, not a different set of notes.
What is C Ionian?
C Ionian is the seven notes C D E F G A B — the notes of C major started from its 1st degree, C. Same seven notes as the parent, but with C as home, so the intervals and the sound are different.
C Ionian vs C major
They are the same seven notes in the same order. “Ionian” is the mode name for the major scale — it says which chord you treat as home, not that any note changed.
Chords in C Ionian
Stack the mode in thirds and each degree becomes a chord. The home chord is C; the rest are the chords of C major, since the notes are the same — what changes is which one the music rests on. Vamp between C and F and the mode is unmistakable.
C Ionian on the guitar neck
Because C Ionian is C major from its 1st note, its natural fingering is position 1 of the seven three-notes-per-string shapes of C major — the shape whose lowest note is C. Learn that shape with C as home — start and end on it, over a drone on C or the vamp above — and you have the mode under your fingers. The other six positions are the fingerings for the other six modes of the same key.
How to practice C Ionian on guitar
- Loop position 1 of C major at 60 BPM, starting and ending on C so your ear hears C as home rather than C.
- Hold a C chord (or record one) and play the shape over it. Listen for the chord tones landing on the beat.
- Hear it harmonized in 3rds on the Fretboard: press Play and every note sounds with its partner while the neck lights up.
Ionian is the major scale: the tool draws C Ionian, the same notes as C major.
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