In 1988, Don’t Worry, Be Happy - Bobby McFerrin’s anthem to happiness - became the first a capella song to reach number one on the Billboard Hot 100. And while many may remember it as a slightly annoying ditty with a bit of whistling, the fact is that McFerrin’s lyrics are brimming with psychological insight. And it’s worth pointing out that the title was inspired by a quote from Indian … [Read more...] about Don’t Worry, Be Happy – it really works…