D Ionian (major)
A diatonic mode with a major 3rd and major 7th; a stable major sound.
Octaves
Musical context
How the mode relates to the scale, chord, key and progression.
Theory
General info
- Name
- D Ionian (major)
- Family
- Diatonic modes
- Note count
- 7
- Step formula
- W – W – H – W – W – W – H
Notes & degrees
1Droot
2Emajor 2nd
3F#major 3rd
4Gperfect 4th
5Aperfect 5th
6Bmajor 6th
7C#major 7th
Construction
- Overview
- A diatonic mode with a major 3rd and major 7th; a stable major sound.
- Application in music
- Identical to the natural major scale and forms the modal basis of a major key.
- Interval formula
- DWEWF#HGWAWBWC#
- Reference mode
- D Ionian
D Ionian (major) coincides with the D Ionian mode — it is the reference itself.
How the mode is built
- Position in the system
- Degree 1 of the parent major scale
- Parent scale
- The Ionian mode is itself the major scale
Sibling modes
Chords by degree
Tensions & resolutions
Stable degrees
IDpoint of resttonic
IIIF#defines modal qualitythird
VAsupports the tonic sonorityfifth
Typical resolutions & tensions
VIIC#C#
IDD
In typical voice leading, the leading tone rises by semitone to tonic.
IIIF#F#
IVGG
In a dominant context, scale degree 4 normally descends by step to 3.
IDD
IIEE
Scale degree 2 may descend to tonic; the motion is especially close when degree 2 is lowered.
This mode on guitar 🎸
See how D Ionian (major) looks on guitar.
Circle of fifths
The major key on the same tonic and its neighbouring keys on the circle of fifths.
Connections
Practice
Keyboard Trainer
Reinforce it in practice — play and name notes on the interactive keyboard.