How can certain songs carry us through a tough workout, comfort us after a breakup, or unite an audience of 50,000 people? Neuroscientist and opera singer Indre Viskontas investigates what music is and how it can change us for the better, from deep in our neurons to across an entire society. Whether hip-hop fans, classically trained pianists, or vinyl collectors, readers will think about their favourite songs in an entirely different way.