Hello Midi Player Tool Kit is a package able to play music from Midi files in your application. There is no need of external component or device. Thank to SoundFont for adding hundred sounds of instruments for playing Midi files No scripting C# or JS is mandatory: specific inspector defined all your needs directly in Unity editor. See an overview here (V2). Add Midi Audio Source Prefab in your scene as much as you want. Add Midi files (from the web or from your composition) as much as you want. Play / Paused automatically based on distance. API available (V2) to integrate MPTK in your application. [edit: Version 2.5 available: full compliant with Midi and SoundFont, better sound, better accuracy] Have Fun !