Songs That Should Not Work on Instagram: "In 2009 at the World Science Festival, Bobby McFerrin delivered one of the most iconic demonstrations of how instinctive music can be. During the event Notes & Neurons: In Search of the Common Chorus, he used only a few simple movements—no verbal instructions at all—to guide the audience into singing a melody built on the pentatonic scale. The crowd followed him effortlessly. The moment became a powerful example of how people everywhere, regardless of cu