What does it mean to listen in the digital era? Today, new technologies make it possible to roam instantly and experimentally across musical languages and generations, from Detroit techno to jam bands to baroque opera—or to dive deeper into the set of tastes that we already have. Either way, we can listen to nearly anything, at any time. The possibilities in this new age of listening overturn old assumptions about what it means to properly appreciate music—to be an “educated” listener.