audio/kid3 - The NetBSD Packages Collection

If you want to easily tag multiple MP3, Ogg/Vorbis, FLAC, MPC,
MP4/AAC, MP2, Opus, Speex, TrueAudio, WavPack, WMA, WAV and AIFF
files (e.g. full albums) without typing the same information again
and again and have control over both ID3v1 and ID3v2 tags, then
Kid3 is the program you are looking for.

Features:
    * Edit ID3v1.1 and all ID3v2.3 and ID3v2.4 frames
    * Convert between ID3v1.1, ID3v2.3 and ID3v2.4 tags
    * Edit tags in MP3, Ogg/Vorbis, FLAC, MPC, MP4/AAC, MP2, Opus,
    Speex, TrueAudio, WavPack, WMA, WAV, AIFF files and tracker
    modules (MOD, S3M, IT, XM)
    * Edit tags of multiple files
    * Generate tags from filenames and vice versa
    * Generate tags from the contents of tag fields
    * Rename and create directories from tags
    * Generate playlist files
    * Automatically convert upper and lower case and replace strings
    * Import from gnudb.org, TrackType.org, MusicBrainz, Discogs,
    Amazon and other sources of album data
    * Export tags as CSV, HTML, playlists, Kover XML, etc.
    * Edit synchronized lyrics and event timing codes, import and
    export LRC files