I'd try Dr. Tag, MP3Tag, or MP3Tag Studio (With MP3 Tag Studio being the hardest and most powerful). Dr Tag will do rearranging for you satisfactorily. Google is your friend.

With the introduction of iTunes 9, Apple applied slight changes to the default organization of files that iTunes manages, which may or may not show up for you, depending on how you use iTunes. Topher, ...

Many of us are convinced our computers have minds of their own. In this bizarre case of iTunes moving music files around, there may well be a ghost in the machine: Ok. I got one for you that has ...

Both iTunes and µTorrent organize their files into folders specified through the applications' preferences windows. With the release of iTunes 9, Apple introduced a new folder in the iTunes media ...