pymm (Python Mp3 Manager) is a wxPython app for managing your mp3 collection, editing ID3 tags, control of xmms, and creation/loading of playlists. It shows your mp3 info in a big fat spreadsheet so you can see the big picture.
Created attachment 14062 [details] pymm-0.9.1.ebuild
Too many problems with Python 2.3, no longer maintained upstream.