The Dominant Seventh (7)įirst, we return to the ‘normal’ seventh chord that we covered in our previous blog.

1 = major second, 2 = major third, 3 = perfect fourth, 4 = perfect fifth, 5 = major sixth, 6 = major seventh, 7 = octave, 8 = major ninth, 9 = augmented second, 10 = augmented fourth, 11 = augmented fifth, 12 = augmented sixth, 13 = minor second, 14 = minor third, 15 = minor fifth, 16 = minor sixth, 17 = minor seventh. Since intervals will come up a lot in this blog, we’ve included an overview of them below. Overview of (Half) Diminished & Augmented Chords.The Half Diminished Seventh (m7b5, ø or ø7).

The Diminished Seventh Chord (dim7 or ☇).

We’ll also explain terms like ‘diatonic’, ‘modal’, and ‘enharmonic’, setting you up with a bank of knowledge to help you get writing. Here, we dive a little deeper into the inner workings of these chords and their function, covering everything from a normal seventh chord (the dominant seventh), to minor sevenths and major sevenths, and the difference between a diminished and half-diminished chord. In our blog explaining how chords work, we already touched on the diminished, augmented, and seventh chords.

Dominant seventh in g flat major