I also wrote something like this! Mine is in Python rather than Node and it allows you to download mp3s of the songs: https://github.com/schollz/playlistfromson

I also wrote something like this! Mine is in Python rather than Node and it allows you to download mp3s of the songs: https://github.com/schollz/playlistfromsong https://github.com/schollz/playlistfromsong