There's a few out there, here's onemanishk wrote:May be, you can include a mp3 to ogg converter that can handle mass conversion. So that we try and keep up with the open source philosophy.
Just an idea.
http://faceprint.com/code/
Great tag utility that is pretty slick
http://easytag.sourceforge.net/
I myself keep all my music with FLAC, I like retaining a Lossless format, then if I need to convert to OGG or MP3 I use Bashburn
http://bashburn.sourceforge.net/
It's a very fast and easy ncurses program that is just damn sweet!