There are a few sounds that can instantly transport you back to your childhood: the sound of a baseball hitting a metal bat, "You're it!" on the playground, and the melodic sound of an ice cream truck ...

Is anyone else instantly brought back to their childhood when they hear “La Cucaracha” or “Camptown Ladies” come over the loudspeaker of an ice cream truck? You might be tempted to yell, “Mom! Can I ...