You might already know that MP3 is a lossy format right? Portions of the original song get thrown away, yes.
Storage capacity is no longer a problem. Start compressing your music to a lossless format that guarantees to be an exact copy of the original source, bit by bit. For example, consider FLAC, a free lossless audio codec.
Additional Command-Line Options: -6 -V -T “ARTIST=%a” -T “TITLE=%t” -T “ALBUM=%g” -T “DATE=%y” -T “TRACKNUMBER=%n” -T “GENRE=%m” -T “COMMENT=%e” %s -o %d