What makes Baby Shark so catchy? It’s a children’s song and a top 40 hit that appeals to kids and adults around the world. It has spawned dozens of variations and its own line of toys. It’s been viewed more than one and a half billion times on YouTube. By now, you’ve probably seen the video regardless of whether you have any small children at home. Maybe you’ve even danced along as the family of sharks goes hunting and cheered for the happy ending where everyone winds up safe. There’s plenty of unpredictable magic behind any internet sensation. However, you can tap into some of the ingredients that make these…