I know I've done this before. Convert an mp4 video to an mp3 audio from the Advanced menu in iTunes. (It's how I created the ringtone on my phone) But the option is greyed out now. Anyone know ...

How to Convert a Movie for iTunes. If you have videos or movies that you made for your business five years ago, DVD, Bluray or WMV formats may have seemed like the best option at the time. If you ...

When I've wanted to convert to mp3, I just burned a CD in iTunes (usually burning to an image, IIRC), and re-reipping the CD to whatever format I wanted.