All the chords built on other notes in the scale of C are minor, except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord.

Harmonic minor ... of the scale make different kinds of chords. These chromatic alterations have been the basis of a whole range of musical styles. For example, the triads in C major are as ...

Let's go. The first 7th chord most of us learn is called just that: C7, G7, A7, etc. It seems reasonable to assume these consist of the root, 3rd, 5th and 7th of the scale, right? Wrong!

But I’ll also use notes from the A minor pentatonic scale (A, C, D, E, G) and the A blues ... In bar 2, I imply, or describe, an A9 chord sound (A, C#, E, G, B) with the notes G, B, C# and ...