In A World... Where Important Conversations are Held in the form of Power Ballads

In the year 2020, something happened to humanity.  Ears and minds were opened in an event called "The Great Listening" and now everyone can hear the music in everyone else's head.  Was it evolution? An act of the Supreme Being? Or has everyone finally gone insane?  In a world where throat rending song is a common occurrance, how hard is it to actually communicate with those that you love?