Authored by John Powell, the new book WHY YOU LOVE MUSIC connects the brain’s neurology to music’s effects on our emotions. And even purchasing behavior. As he claims music “flows through your brain in a stream you can’t easily think about,” it suits repetition to allow the listener time to really hear what’s happening. The complexity of minor keys is the reason assigned for their sadness, and playing German music provokes the consumption of German wine (beer, here at Active Junky). Our favorite example: City officials in Sydney, Australia repel loitering teenagers with a heavy dose of Barry Manilow.