This is so simple and life-saving. No more Limewire or Frostwire or whatever software you were using to download illegal songs. Stop being a criminal and go to this website: www.vidtomp3.com. Now paste the YouTube URL like so:
Then click Download mp3. It will look like this:
Then click the Download mp3 button that looks like this:
That’s it! Your new jam will magically appear in your iTunes.