Tool to extract and edit ID3 tags in the MP3 container
Technical info viewer and ID3 1.x tag editor in mp3 files.
mp3info has an interactive mode (using curses) and a command line mode.
A separate executable includes a GTK-based GUI version. 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.