Minor seventh interval
The minor seventh interval consists of two notes with ten semitones distance. For example, C to Bb note will result in this musical interval.
The minor seventh interval is abbreviated m7 (an alternate spelling is augmented sixth). Related is the major seventh, which is abbreviated M7
A minor seventh C to Bb on the keyboard.
Listen to the minor seventh interval (C-Bb):
This interval is present in some 7th chords. For example, C7 consisting of the notes C, E, G, Bb and Cm7 consisting of C, Eb, G, Bb.
Ascending minor seventh intervals
A list of ascending minor seventh intervals:
- C – Bb
- C#/Db – B
- D – C
- D#/Eb – C#/Db
- E – D
- F – Eb
- F#/Gb – E
- G – F
- G#/Ab – F#/Gb
- A – G
- A#/Bb – G#/Ab
- B – A
Inversions of these intervals will result in major seconds.
Descending minor seventh intervals
A list of descending minor seventh intervals:
- C#/Db – Eb
- D – E
- D#/Eb – F
- E – Gb
- F – A
- F#/Gb – G#/Ab
- G – A
- G#/Ab – A#/Bb
- A – B
- A#/Bb – C
- B – Db
- C – D
Read more about intervals and use the interactive Piano Interval Finder tool.
Mixolydian mode with the minor seventh flavor
The minor seventh characterizes the Mixolydian Mode.

C Mixolydian with a C to Bb interval.
The interval can be found in other modes as well, such as Dorian, Phrygian, Aeolian and Locrian. It can also be found in the Natural and the Harmonic Minor scales.