The term "hot" in this context often refers to the script being a popular or "trending" tool within exploiting and scripting communities.
: Paste the generated Lua script into a Roblox script executor or a dedicated in-game loader.
The "hot" part of "midi2lua hot" referred to a specific feature or mode within the midi2lua tool that allowed for live, on-the-fly conversion and updating of the MIDI files. This meant that Alex could make changes to a MIDI file, and without needing to restart his game, those changes would be reflected in real-time. This was exactly what he needed for his project, as it would enable him to create an ever-evolving soundtrack that responded to the player's actions.
In this example, the on_midi_note_on function is called immediately when a MIDI note on event is received, allowing for a "hot" response to the event.