When you use a scale, say, C major, you are playing ‘in the key of C’. The word ‘diatonic’ simply means ‘within a key’, so a diatonic chord progression is a set of chords made up of notes from within ...

The word ‘diatonic’ simply means ‘within a key’, so a diatonic chord progression is a set of chords made up of notes from within a key signature. Here we’re looking at the two most common kinds of ...