http://save.yt/ or http://www.youzik.com/ or http://www.grab-tube.com/mp3-volume
save-video.com offers :
https://www.youtube.com/watch?v=1w7OgIMMRc4
https://www.youtube.com/watch?v=YqeW9_5kURI
convert it to https://www.youmagic**tube.com/watch?v=1w7OgIMMRc4
or mp4 http://www.agl**youtube.com/watch/?v=1w7OgIMMRc4</b>
origin - http://www.pipiscrew.com/?p=3455 app-youtube-to-audio