I'm experimenting with using these freeware apps/tools for managing my mp3 collection. Natch, if you have any experience/thoughts on these apps, or the MP3 "process" in general, pls hit up the comments.
mp3 player - Foobar2000 0.9.4.5. Note foobar has extensive functionality & is highly customizable.
Foobar tutorial site - Foobar2000 Manual
columns UI 2.0 add-in functionality - Columns UI
MP3 tag editor - MP3Tag v2.39