Anyone use runtime audio importer?

I am working on a very simple climbing style game for my own hobby interests
I have the runtime audio importer
I was wondering if anyone knows of a good template for playing a user’s own songs
I would like to be able to start the game and choose a song from my music folder then play the game with the custom music playing.

Its kind of an addon feature, not the core of my game, but I’ve wanted to incorporate custom music at runtime for a while.

TIA.