Today we’re going to look at extending the basic chord triads by adding a 7th. This will give us a whole new set of ‘Seventh Chords’.

If you’re not sure how to form the basic triads check out our post on doing exactly that, here. You may also want to check out our post on intervals if you’re not sure of the difference between a minor 7 and a major 7, however the diagrams below should make things fairly clear.