At its core, midi2lua is a parser/transpiler that reads a standard .mid file and outputs a containing every note, velocity, and control change.
Building a Clone Hero or Guitar Hero-style game? MIDI files are often used to author charts. By converting them to Lua, you remove the need to bundle a heavy MIDI parser with your game. The chart is the code.
provide a "total abstraction" of MIDI data, meaning users don't have to manually manage technical details like delta time or NoteOn/NoteOff signals. Performance & Usability Efficiency: