http://www.mp3-box.org/mp3-youtube-firefox/
How to convert youtube to mp3 to itunes using firefox?
I copy the URL and then select a mp3 converter from google and then down in the left hand corner it will show the song being downloaded, then i click and drag to my itunes and then a message pops up when i try and play it basicly saying it cant be played… i need to know how to transfer to itunes successfully so i dont have to use frostwire or any shit like that… thnks!
http://onlinevideodownloader.net/how-to-convert-youtube-to-mp3.html
You can please have a look from this post, maybe you will get how to convert YouTube to MP3 with high quality.
Hope it can help you more or less!
Free MP3 Music Using Only Firefox!