Each year, a new batch of hot summer songs hits airwaves and earbuds, dominating top-40 charts and iTunes sales. But there are a handful of popular tunes that never fade away, ever present throughout the world's streets on sunny summer days: The familiar jingle of ice cream trucks.
But where did this summer hallmark come from? Why are ice cream trucks some of the only vehicles that play music as one of their main functions? It's a strange and surprising story.