You can convert videos from various video hosting sites to high quality MP3 format and download them to a computer from the internet.
This FAQ will show you how to do so using the Video2MP3 service.
Convert Video to MP3 Online
Open YouTube, and search for the video that you want to convert. Copy the video’s link:
Open [www.video2mp3.net Video2MP3], and paste the link in the Video URL box:
Choose between Standard or High quality, and click Convert. When the conversion is complete, the MP3 file will automatically start to download.