return "\n".join(output_lines)
He poured coffee, opened the editor, and let the old code tell him its story. Functions named in half-formed shorthand. A try/except block wrapped around a fragile conversion routine, catching everything and returning silence. A dataset of tempo assumptions embedded like a fossil. He fixed the small things first: renamed variables for clarity, refactored a recursive tangle into a readable loop, added tests that were tiny enough to run in a blink. midi2lua patched