If you would prefer a GUI over command line option for joining / splitting MP 3 file which works as simply as mp3wrap album.mp3 01.mp3 02.mp3 03.mp3 04.mp3, then MP 3 Splitter is a good option.
MP3 Splitter @ Codeplex is joiner / Splitter for MP3 files with a simple but effective graphical interface and feature reach free application. It allows you to
- Tagging, Encoding.
- Change the order of MP3 files quickly.
- Add Artist and Album Details when joining mp3 files.