I played around a bit with converting mp3 music into sheet music. It’s called Sheet Sage. You feed it a YouTube link, and it spits out a PDF with sheet music and a midi file. The result isn’t exactly great, but it’s better than I expected. Here are two videos—one with the original track, the other with how the midi sounds (I changed the default instruments a bit), and the sheet music right here.
original:

how it sounds:
