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Watch the Augmented Reality online guitar lesson by Brad Carlton from Chord Studies: Jazz Turnarounds Vol. 3

Back in Example 4, I demonstrated the b5 substitution principle and we're going to do the exact same thing here in Example 9. Instead of going to D7, we're going to play Ab7 - notice how the bass line goes down an augmented fourth. Instead of C7 as our last chord, we're going to go to Gb7; another b5 sub.