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Note identifier · Reference entry

What chord is C–F–G?

The notes C, F, and G spell C Suspended 4th (Csus4) — C the root, F the 4th, and G the 5th.

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.

C Suspended 4thCsus4Confident

Every tone of Csus4 is present, with C in the bass — the definitive reading.

DegreeNoteIn this set
1Csounding
4Fsounding
5Gsounding
F Suspended 2ndFsus2Confident

All tones of Fsus2 are present; the C note is lowest (2nd inversion).

DegreeNoteIn this set
1Fsounding
2Gsounding
5Csounding
E♭ 6/9E♭6/9Partial

3rd, 6th, and 9th of E♭6/9 sound; it reads as E♭6/9 with the E♭ (1) and B♭ (5) omitted.

DegreeNoteIn this set
1E♭omitted
3Gsounding
5B♭omitted
6Csounding
9Fsounding
D Minor 11thDm11Partial

♭3, ♭7, and 11th of Dm11 sound; it reads as Dm11 with the D (1), A (5), and E (9) omitted.

DegreeNoteIn this set
1Domitted
♭3Fsounding
5Aomitted
♭7Csounding
9Eomitted
11Gsounding
A♭ Major 13thA♭maj13Partial

3rd, 7th, and 13th of A♭maj13 sound; it reads as A♭maj13 with the A♭ (1), E♭ (5), B♭ (9), and D♭ (11) omitted.

DegreeNoteIn this set
1A♭omitted
3Csounding
5E♭omitted
7Gsounding
9B♭omitted
11D♭omitted
13Fsounding
G 7sus4G7sus4Likely

root, 4th, and ♭7 of G7sus4 sound; it reads as G7sus4 with the D (5) omitted.

DegreeNoteIn this set
1Gsounding
4Csounding
5Domitted
♭7Fsounding

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 G9sus4

Not G9sus4: a dominant 9th sus4 G chord needs A as its 9th — A is absent.

Not G11

Not G11: a dominant 11th G chord needs B as its 3rd — B is absent.

Not Gm11

Not Gm11: a minor 11th G chord needs B♭ as its ♭3 — B♭ is absent.

Not G13sus4

Not G13sus4: a dominant 13th sus4 G chord needs E as its 13th — E is absent.

Not Gm11♭5

Not Gm11♭5: a minor 11th ♭5 G chord needs B♭ as its ♭3 and D♭ as its ♭5 — B♭ and D♭ are absent.

How these notes relate

C, F, and G is a voicing of E♭6/9 with the E♭ (root) and B♭ (5th) left out.

The same notes over F in the bass spell Fsus2.

Add A (its 9th) and the set reads as G9sus4.

Set-class analysis

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

Pitch-class set
{0, 5, 7}
Normal order
[5,7,0]
Prime form
[0,2,7]
Interval vector
<010020>
Forte set class
3-9

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