Guitar Theory Studio
Mode

D Ionian

The D Ionian mode — D E F# G A B C# — shown across the guitar neck.

D Ionian on the guitar fretboard13578910121415eBGDAEEF#GABC#DEF#GBC#DEF#GABC#DGABC#DEF#GADEF#GABC#DEABC#DEF#GABEF#GABC#DEF#G

Tap any note on the neck.

Swipe the neck sideways to see the higher frets.

D 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 D Ionian?

D Ionian is the seven notes D E F# G A B C# — the notes of D major started from its 1st degree, D. Same seven notes as the parent, but with D as home, so the intervals and the sound are different.

D
1
root
E
2
major 2nd
F#
3
major 3rd
G
4
perfect 4th
A
5
perfect 5th
B
6
major 6th
C#
7
major 7th

D Ionian vs D 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 D Ionian

Stack the mode in thirds and each degree becomes a chord. The home chord is D; the rest are the chords of D major, since the notes are the same — what changes is which one the music rests on. Vamp between D and G and the mode is unmistakable.

D
D chord shape7frDF#ADF#D
1
Em
Em chord shapeEGBEBE
2
F#m
F#m chord shape1frF#C#F#AC#F#
3
G
G chord shapeDGBGBG
4
A
A chord shape2frAC#EAC#A
5
Bm
Bm chord shape4frBDF#BF#B
6
C#dim
C#dim chord shape8frC#GC#EGC#
7

All the chords in D major, with shapes and numerals →

D Ionian on the guitar neck

Because D Ionian is D major from its 1st note, its natural fingering is position 1 of the seven three-notes-per-string shapes of D major — the shape whose lowest note is D. Learn that shape with D as home — start and end on it, over a drone on D 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 D Ionian on guitar

  1. Loop position 1 of D major at 60 BPM, starting and ending on D so your ear hears D as home rather than D.
  2. Hold a D chord (or record one) and play the shape over it. Listen for the chord tones landing on the beat.
  3. Hear it harmonized in 3rds on the Fretboard: press Play and every note sounds with its partner while the neck lights up.
Notes
D   E   F#   G   A   B   C#
Intervals
1   2   3   4   5   6   7
Parent scale
D Major
Degree of parent
1
Open D Ionian in the tool →

Ionian is the major scale: the tool draws D Ionian, the same notes as D major.

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