MP3 technical info viewer and ID3 1.x tag editor

 MP3Info has an interactive mode (using curses) and a command line mode.
 MP3Info can display ID3 tag information as well as various technical aspects
 of an MP3 file including playing time, bit-rate, sampling frequency and other
 attributes in a pre-defined or user-specifiable output format.
 .
 If you prefer GUI you should use mp3info-gtk package.