MusicBrainz

The Latest Ultimate Tagger

I've just been tipped about this one.  I regularly have M1 users who are moving from one automation system to another and then discover that their .wav files have no meta.  

Download the free app and point it to a folder filled with your song audio files and let it do some magic tagging for you.  About the only thing it does not have is Intro times.

Here is a link to the web page.