muscriptor/muscriptor ? reverse-engineered prompt

Build me a Python app for multi instrument music transcription that can take an audio file and turn it into note events or a MIDI file. I want a simple command line tool and a small web app where I can upload a song, pick a model size like small, medium, or large, and see the transcription progress as it runs.

It should work locally, download the model the first time from Hugging Face after login, and cache it for later. Make the default experience easy, with a clear way to run transcription on an audio file from the terminal and a nicer browser interface for people who do not want to code. If possible, include support for choosing which instruments to focus on, and show the results in a way that feels useful, like note events and downloadable MIDI.

Use the current project docs online if you need to, and keep it simple and polished enough that I can try it right away.