How to extract audio from a youtube video

I was looking for the song Also Sprach Zarathustra. But I could only easily found it as video http://www.youtube.com/watch?v=SLuW-GBaJ8k. After a quick search I found out how rip the audio from a youtube video (via linux/fedora): 1) Download a video from youtube – ¬†yum install youtube-dl – youtube-dl 2) Extract the audio track – ffmpeg […]