You were able to sing something they related to instantly, because it was part of what you felt. It was part of what you had already traveled through. It's part of the people you were associating with daily. It was all of that.
But my family's really close and I was interested in what Mommy and Daddy did for a living. So when Mommy and Daddy had a script that wasn't totally age inappropriate, they would let me read it. And we would talk about it.