SVG/PNG of all pages can be obtained from https://musescore.com/api/jmuse?id=6102579&index=[PAGE_NO, 0 indexed]&type=img&v2 but it requires authorization header. Authorization can be obtained from a js chunk in the file html.

Steps:

1. GET the main page (url provided as input)
2. Find the js chunk <link href="https://musescore.com/static/public/build/musescore/202401/2946.ad0ca593092255f4a3f5b0e492146221.js" rel="preload" as="script"> yet to figure out how to filter it out
3. Use a regex match to get the Authorization header (TODO: find a better way)
4. Hit https://musescore.com/api/jmuse?id=6102579&index=[PAGE_NO, 0-indexed]&type=img&v2 to get all pages
5. Generate html from svg/png files
6. Generate pdf from html (Still stuck on this one)

Usage:

./musescoreDownloader dl [url1] [url2] [url3] ...

OR

go run . dl [url1] [url2] [url3] ...