by Christopher Sung
o now, let's put it all together in a full 12-bar blues. All of the variations in chord choices and rhythm come from the principles we've learned in this lesson. Once you get familiar with using this devices, it'll just show up in your playing without you having to think about it. That's when it's really fun and you can just concentrate on making the best music possible, and not on which chord you're going to play for the B7.