This app is a free and simple combination of local files manager + a primitive music player, and of course, receiving files over the AirDrop. Its open-sourced and served by MIT license, so you can join the project
https://github.com/zinyakov/AirDrop-Player
Lots of thanks to app icon authors
https://www.freepik.com/free-vector/geometric-background-of-eighties-objects_952534.htm