Id3tool

Context

Id3tool is an mp3 tagger.

Installation

brew install id3tool

Usage

Run id3tool $file to get the tagged information for the file:

$ id3tool illmatic\ -\ 01\ \ -\ Nas\ -\ The\ Genesis\ \[Y6ElJoP_2S8\].mp3
Filename: illmatic - 01  - Nas - The Genesis [Y6ElJoP_2S8].mp3
Song Title:	The Genesis
Artist:		Nas
Album:		Illmatic
Track:		1
Year:		1994

You can tag it like so:

id3tool "$f" -y "$year" -a "$album" -r "$artist" -t "$track_name" -c "$track_number"