Books by the school’s founder, David Bloom,show you artful ways to use juicy chords in real-world situations. The grips above, courtesy of Peter Lerner (one of Bloom’s “pro” students), demonstrate the captivating sound a progression acquireswhen its highest voice rises stepwise with each new chord. If you know your standards, you may recognize these bars as the opening harmonies of a famous jazz tune. (Hint: It’s not a song about all the things you ain’t.)