On some level, every bit of music is a sustained trick we play on our brains. When a song kicks off with a rigid staccato intro, though, the effect on your body is electrifying. Your breath catches in your chest, and all of a sudden you’re trapped, waiting for that sweet release. On this episode of Key Change, we’re taking a closer look at those metronomic intros, and how they mess with our brains in the most delightful ways.