Major seventh interval
The major seventh interval consists of two notes with eleven semitones distance. For example, C to B note will result in this musical interval.
The major seventh interval is abbreviated M7 (it can also be referred to as a diminished octave). The inversion of major seventh is the minor second (m2). A related inteval is the minor seventh, which is abbreviated m7.
A major seventh C to B on the keyboard.
Listen to the major seventh interval (C-B):
This interval is present in the major 7th chord. For example, the Cmaj7 chord consists of the notes C, E, G, B. It is also found in several scales, including the Major Scale.
Ascending major seventh intervals
A list of ascending major seventh intervals:
- C – B
- C#/Db – C
- D – C#
- D#/Eb – D
- E – D#
- F – E
- F#/Gb – F
- G – F#
- G#/Ab – G
- A – G#
- A#/Bb – A
- B – A#
Inversions of these intervals will result in minor seconds, which are identical with descending major seventh intervals.
Descending major seventh intervals
A list of descending major seventh intervals:
- C#/Db – D
- D – Eb
- D#/Eb – E
- E – F
- F – Gb
- F#/Gb – G
- G – Ab
- G#/Ab – A
- A – Bb
- A#/Bb – B
- B – C
- C – Db
Read more about intervals and use the interactive Piano Interval Finder tool.