YouTube offers probably the largest library in the world and completely free. It is merely the name of a favorite artist or song title to be entered in the search box and you will be killed literally in the abundance of hits. The videos are found mostly loaded by individuals to the portal, but also big music labels to recognize the great marketing potential and make brand new music video in HD quality.
To not get the video, but the pure sound track as an MP3 file to your computer, there are different ways. One of them is to use a so-called converter. This software is able to edit a video so that at the end was an MP3 file is left.
A particularly simple Youtube to MP3 Converter provides the web page www.video2mp3.at, because their software can be fully operated in the browser and does not require great computer skills have regular updates, as with regular Windows software of the case. To download a YouTube video, the MP3 version, just have the address of the video in the large field are copied to the page. By pressing the Convert button, a conversion is initiated and after successful completion, the user can download the MP3 file.
If you want it a little easier, you can also install a browser addon. This is currently available for Firefox and adds to any YouTube video page, a download button. If this is activated, one forwarded to the service and it will automatically start a conversion.