Referring to the last post and exercise: This time we're going to add a 7^th tone – either a major 7^th or a minor 7^th to the solid chord in the left hand. For the C major chord, add a B to the right of the chord, and play as a solid chord.

 Next add an C after the DFA solid chord. Then add a D after the E minor chord of EGB. Practise each of these chords back and forth. Guess what we're going to do with the next assignment?