(via www.susegeek.com)
cutmp3, as the name implies is a simple command line tool to edit and cut MP3 files without loosing any quality. cutmp3 can edit the mp3 files interactively or selection (start time and end time) can be provided from the command line or even better can be used with a timetable fiile specifiying different start/end times from the same MP3 files.
