Watch the Week 7: Master Structure III online guitar lesson by Les Wise from Fretboard Freedom Fighter

Finally, we add the 9th extension to C7(1-3-5-b7) resulting in C9(1-3-5-b7-9) continuing to work through all fingers, across the strings. Then, you will discover a cool way for substituting an m7b5 to create a C9th sound. Remember as always, our goal for the course is just one thing, master the three structures!