In part II of dominant 7ths, we’re focusing on dominant 7th chords within a ii-V7-I progression, one of the most important progressions to recognize by ear. The dominant 7th is what creates the strongest tension in the progression, pulling the harmony forward and clearly pointing back to the home chord. As you listen, pay attention to that unstable, “almost there” feeling in the V7 and how satisfying it is when it finally resolves to the I chord. You’ll hear this sound constantly in jazz, R&B, gospel, pop, and classical music, and once you can hear it, identifying keys and chord movement becomes much easier.