Skip to content
piano.org
A piano reference: chords, scales, theory & ear training.
/

Note identifier · Reference entry

What chord is E–F–A–B?

The notes E, F, A, and B spell F Major 7♭5 (Fmaj7♭5) (3rd inversion) — F the root, A the 3rd, C♭ the ♭5, and E the 7th.

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.

F Major 7♭5Fmaj7♭5Confident

All tones of Fmaj7♭5 are present; the E note is lowest (3rd inversion).

DegreeNoteIn this set
1Fsounding
3Asounding
♭5C♭sounding
7Esounding
G Dominant 13thG13Partial

3rd, ♭7, 9th, and 13th of G13 sound; it reads as G13 with the G (1), D (5), and C (11) omitted.

DegreeNoteIn this set
1Gomitted
3Bsounding
5Domitted
♭7Fsounding
9Asounding
11Comitted
13Esounding
C Major 13thCmaj13Partial

3rd, 7th, 11th, and 13th of Cmaj13 sound; it reads as Cmaj13 with the C (1), G (5), and D (9) omitted.

DegreeNoteIn this set
1Comitted
3Esounding
5Gomitted
7Bsounding
9Domitted
11Fsounding
13Asounding
F Major 7♯11Fmaj7♯11Likely

root, 3rd, 7th, and ♯11 of Fmaj7♯11 sound; it reads as Fmaj7♯11 with the C (5) omitted.

DegreeNoteIn this set
1Fsounding
3Asounding
5Comitted
7Esounding
♯11Bsounding

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 Bm7♭5

Not Bm7♭5: a half diminished B chord needs D as its ♭3 — D is absent.

Not B7♭5

Not B7♭5: a dominant 7th ♭5 B chord needs D♯ as its 3rd — D♯ is absent.

Not F7♭5

Not F7♭5: a dominant 7th ♭5 F chord needs E♭ as its ♭7 — E♭ is absent.

Not Fmaj7♯5

Not Fmaj7♯5: a major 7♯5 F chord needs C♯ as its ♯5 — C♯ is absent.

Not Fdim(maj7)

Not Fdim(maj7): a diminished major 7th F chord needs A♭ as its ♭3 — A♭ is absent.

How these notes relate

E, F, A, and B is a voicing of G13 with the G (root), D (5th), and C (11th) left out.

Add D (its ♭3) and the set reads as Bm7♭5.

Set-class analysis

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

Pitch-class set
{4, 5, 9, 11}
Normal order
[4,5,9,11]
Prime form
[0,1,5,7]
Interval vector
<110121>
Forte set class
4-16

Play a chord and hear it named live at What am I playing? · Report an error