The best youtube to mp3 converter Awards: The Best, Worst, and Weirdest Things We've Seen
http://rafaelslak489.huicopper.com/getting-around-the-youtube-flash-problem
If you have an iPad, iPod, iPhone etc, that will be best! It also allows you to combine a number of YouTube videos into one file. As a multimedia container format, you can playback synchronously audio and video