How to Download Youtube Playlist in Full HD, Sorted, with Just 1 Command

How to Download Youtube Playlist in Full HD, Sorted, with Just 1 Command
The 2 tools used in this tutorial are free, opensource. Consider a donation if you can.
YouTube-DL: github.com/rg3/youtube-dl/#installation
FFMPEG Framework: ffmpeg.zeranoe.com/builds/
Command: youtube-dl -o "%(playlist_index)s - %(title)s.%(ext)s" -i -f 137+bestaudio [playlistURLwithoutbrackets]