Additional types of seventh chords can occur in popular music and jazz.
Let's learn about three of these additional types.
A minor triad and a major seventh combine to form a minor-major seventh chord.
Minor-major seventh chords are abbreviated with a lower-case 'm', capital 'M', and a 7.
Let's examine a C minor-major seventh chord.
C – Eb – G is the minor triad.
C – B is the major seventh.
When combined, they form a C minor-major seventh chord: C – Eb – G – B.
Next, let's examine an F# minor-major seventh chord.
F# – A – C# is the minor triad.
F# – E# is the major seventh.
When combined, they form an F# minor-major seventh chord: F# – A – C# – E#.
Next, let's examine an Ab minor-major seventh chord.
Ab – Cb – Eb is the minor triad.
Ab – G is the major seventh.
When combined, they form an Ab minor-major seventh chord: Ab – Cb – Eb – G.
An augmented triad and a major seventh combine to form an augmented-major seventh chord.
Augmented-major seventh chords are abbreviated with a plus, capital 'M', and a 7.
Let's examine a C augmented-major seventh chord.
C – E – G# is the augmented triad.
C – B is the major seventh.
When combined, they form a C augmented-major seventh chord: C – E – G# – B.
Next, let's examine an F# augmented-major seventh chord.
F# – A# – Cx is the augmented triad.
F# – E# is the major seventh.
When combined, they form an F# augmented-major seventh chord: F# – A# – Cx – E#.
Next, let's examine an Ab augmented-major seventh chord.
Ab – C – E is the augmented triad.
Ab – G is the major seventh.
When combined, they form an Ab augmented-major seventh chord: Ab – C – E – G.
Finally, an augmented triad and a minor seventh combine to form an augmented seventh chord.
Augmented seventh chords are abbreviated with a plus and a 7.
Let's examine a C augmented seventh chord.
C – E – G# is the augmented triad.
C – Bb is the minor seventh.
When combined, they form a C augmented seventh chord: C – E – G# – Bb.
Next, let's examine an F# augmented seventh chord.
F# – A# – Cx is the augmented triad.
F# – E is the minor seventh.
When combined, they form an F# augmented seventh chord: F# – A# – Cx – E.
Next, let's examine an Ab augmented seventh chord.
Ab – C – E is the augmented triad.
Ab – Gb is the minor seventh.
When combined, they form an Ab augmented seventh chord: Ab – C – E – Gb.
Use this chart to reference the additional types of seventh chords covered in this lesson.