Most Helpful Guy
Hello! you can just use a cool software from
for this purpose. It is a small app for Mac and PC which allows people to download any video or mp3 file from YouTube fast and easy. I think you will like how it works too, good luck with it ;)
Most Helpful Girl
You can use file2hd. com and download the video itself as a high-quality mp4, from which you can then extract the audio as you see fit.