Fg-optional-bonus-soundtracks.bin _top_ -

FlightGear-2020.3.11.exe --extract-only --extract-dir="C:\MyMusic"

For modders and package maintainers: You can create a custom soundtracks bin to distribute your own music to FlightGear users. fg-optional-bonus-soundtracks.bin

Sometimes, these files are part of a user-created mod that adds more music to a game. FlightGear-2020