Major sixth: hear it in My Bonnie and the NBC chimes

The major sixth is 9 semitones. Play it, recognise it from My Bonnie Lies over the Ocean and the NBC chimes, and compare it with the minor sixth.

A major sixth is 9 semitones, such as C up to A or G up to E. It is a wide, warm, open leap: the first jump of My Bonnie Lies over the Ocean and of the three-note NBC chimes is a rising major sixth.

Listen to a major sixth

G to E: 9 semitones.

What does a major sixth sound like?

Sweet, bright and spacious, like a major third turned inside out. Played together it sounds rich and consonant.

Songs that start with a major sixth

SongDirectionWhere
My Bonnie Lies over the OceanUpthe first two notes
NBC chimesUpthe first two notes

Titles only. Each melody's opening was checked note by note; songs we were not sure of are left out.

How do you recognise a major sixth by ear?

  • Low sol up to mi is a major sixth: the first two notes of the NBC chimes (G up to E).
  • It is the upside-down minor third: A up to C is a minor third, C up to A is a major sixth.
  • Bigger and brighter than the minor sixth, smaller and less tense than the minor seventh.

Quick test: major sixth or not?

Four sounds. Each one is a major sixth or one of the intervals people confuse it with. Listen, then pick.

1. Which interval is this?

Right. F4 to D5 is 9 semitones: a major sixth.

Not quite: the answer is Major sixth. F4 to D5 is 9 semitones: a major sixth.

2. Which interval is this?

Right. E4 to D5 is 10 semitones: a minor seventh.

Not quite: the answer is Minor seventh. E4 to D5 is 10 semitones: a minor seventh.

3. Which interval is this?

Right. G4 to E5 is 9 semitones: a major sixth.

Not quite: the answer is Major sixth. G4 to E5 is 9 semitones: a major sixth.

4. Which interval is this? (going down)

Right. B♭4 to D4 is 8 semitones: a minor sixth.

Not quite: the answer is Minor sixth. B♭4 to D4 is 8 semitones: a minor sixth.

Score: / 4 (your score updates as you answer)

The major sixth on every note

Intervals are spelled by letter: a major sixth always spans 6 letter names, which is why the top note is sometimes a sharp or a flat.

The major sixth above each of the 12 notes, spelled by letter name
FromMajor sixth upHear it
CA
D♭B♭
DB
E♭C
EC♯
FD
F♯D♯
GE
A♭F
AF♯
B♭G
BG♯

Major sixth in numbers

MeasureValue
Semitones9
Size on a piano (equal temperament)900 cents
Pure (just) ratio5:3 = 884.4 cents
Piano vs pure+15.6 cents
InversionMinor third (3 semitones)

All intervals

Frequently asked questions

How many semitones are in a major sixth?

Nine. For example C to A, G to E, or D to B.

What is the inversion of a major sixth?

A minor third: C up to A is a major sixth, A up to the next C is a minor third (9 + 3 = 12 semitones).

What is the difference between a major and a minor sixth?

One semitone: a minor sixth is 8 semitones (C to A flat), a major sixth is 9 (C to A). The major sixth sounds brighter.

What song starts with a major sixth?

My Bonnie Lies over the Ocean and the NBC chimes both open with a rising major sixth.

Compare with