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Note identifier · Reference entry

What chord is D–E–G–B?

The notes D, E, G, and B spell G Major 6 (G6) (2nd inversion) — G the root, B the 3rd, D the 5th, and E the 6th.

Ranked readings

Every chord these notes can spell, most complete first. The bass note anchors the root-position reading; each candidate maps every note to its scale degree.

G Major 6G6Confident

All tones of G6 are present; the D note is lowest (2nd inversion).

DegreeNoteIn this set
1Gsounding
3Bsounding
5Dsounding
6Esounding
E Minor 7thEm7Confident

All tones of Em7 are present; the D note is lowest (3rd inversion).

DegreeNoteIn this set
1Esounding
♭3Gsounding
5Bsounding
♭7Dsounding
C Major 9thCmaj9Likely

3rd, 5th, 7th, and 9th of Cmaj9 sound; it reads as Cmaj9 with the C (1) omitted.

DegreeNoteIn this set
1Comitted
3Esounding
5Gsounding
7Bsounding
9Dsounding
A 9sus4A9sus4Likely

4th, 5th, ♭7, and 9th of A9sus4 sound; it reads as A9sus4 with the A (1) omitted.

DegreeNoteIn this set
1Aomitted
4Dsounding
5Esounding
♭7Gsounding
9Bsounding

Not these chords

Names these notes are often mistaken for. Each is ruled out because a defining tone of that chord is missing — the note that would make the name true simply is not being played.

Not G6/9

Not G6/9: a major 6/9 G chord needs A as its 9th — A is absent.

Not Em9

Not Em9: a minor 9th E chord needs F♯ as its 9th — F♯ is absent.

Not E7♯9

Not E7♯9: a dominant 7th ♯9 E chord needs G♯ as its 3rd — G♯ is absent.

Not Em7♭5

Not Em7♭5: a half diminished E chord needs B♭ as its ♭5 — B♭ is absent.

Not Bm7♯5

Not Bm7♯5: a minor 7♯5 B chord needs A as its ♭7 — A is absent.

How these notes relate

D, E, G, and B is a voicing of Cmaj9 with the C (root) left out.

The same notes over E in the bass spell Em7.

Add A (its 9th) and the set reads as G6/9.

Set-class analysis

The pitch-class set theory identity of these notes — order- and key-independent, computed from the set itself.

Pitch-class set
{2, 4, 7, 11}
Normal order
[11,2,4,7]
Prime form
[0,3,5,8]
Interval vector
<012120>
Forte set class
4-26

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