Listen up: scales aren’t just torture devices invented by guitar teachers... 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 ...

Like major 7th chords, dominant 7ths are a major chord with an extra note added. And, as with all chords, we’ll be using formulas to help you remember how each one is built. Whenever you look at how a ...