ZITAT(New Old School Rock @ Jul 14 2012, 19:59)
What do you do if the files have no data in any of the fields? How do you populate the fields and make sure they are populated correctly?
Unless the filename gives a hint of what might be in the file there is no other way than to listen to it, guess what it might be and then add at least artist and title.
You may add data to ARTIST by typing it in the tag panel field and then press save.
The Title has to added for each track.
If you have data in the filename you may use the converter filename - tag.
And then you can use one of the many web scripts that are available.
Or in short: no data - no fun.