Once you know how to construct major and minor scales on the piano, you can take the notes within ... we can use these numbers to create formulas to build chords from. For instance, in a C major scale ...

Then, while they were sleeping, they were played a repeated piano chord, which they had been taught to associate with positive experiences. The chord was C69 – C major, with a major sixth (the note ‘A ...

And then the B minor chord is the relative minor of D major. This makes for an easy way to visualise the various changing ...