Music is central to the human experience. We celebrate with it, commiserate through it - often some of our strongest memories are tied to it. On All in the Mind this week, how music affects us from the womb through the rest of our lives - and what new research tells us about its measurable impact on our mental health. Plus, the 'plink' test - how our musical memories can identify a track from just a sliver of song, and the power of music to shape our emotions.