13. ID3 Editing.

ID3 tags are information fields contained within the MP3 data that contain information about the MP3 such as who the artist is, what album the track came from, and so on.

Editors allow you to view and edit this information.

13.1 id3ed

[dj@megajukebox]$ id3ed 
id3ed v1.10 - mpeg layer 3 file information editor
Usage: id3ed [-s songname] [-n artist] [-a album] [-y year] [-c comment]
             [-k tracknum] [-g genre] [-q] [-SNAYCKG] [-l/-L] [-r]
             [-i] <mp3files> [-v]

  -q                    no line interface; only set tags specified on command
                        line. Use twice to suppress all output except errors.
  -SNAYCKG              prompt to edit the specified tags only
                        Other tags can still be set with the -[snaycg] options.
  -l/-L                 display list of genres
  -r                    remove id3 tag from files
  -i                    show current id3 tag only, don't edit
  -v                    output program version/license

[dj@megajukebox MyBand]$ id3ed track01.mp3 

File track01.mp3: (tag v1.1)
songname[max:30]: Our Kick Ass Demo
artist[max:30]: Us       
album[max:30]: White Album
year[max:4]: 1999
comment[max:28]: Will be a classic some day!
tracknum[max:3]: 1
genre[0-255/name]: 5     

If we now want to see the Id info we run id3ed with the -i flag, like so:

[dj@megajukebox MyBand]$ id3ed -i track01.mp3 
track01.mp3: (tag v1.1)
songname: Our Kick Ass Demo
artist: Us
album: White Album
year: 1999
comment: Will be a classic some day!
tracknum: 1
genre: Funk(5)

13.2 mp3info

MP3info works in a similar manner to id3ed, here is a snippet from it's man pages:

SYNOPSIS
       mp3info [ -option < value > ] filename[s]...

DESCRIPTION
       This is a small tool to get and set MP3 information.

OPTIONS
       -T     Do  NOT  get  TAG  Info.  Use on slowseeking media,
              since TAG is at the very end of the file.

       -s <0/1>
              Print info. Pretty  much  obsolete,  as  it  always
              should be on.  Defaults 1.

       -f <format>
              Format of printed string. See README for details.

       -F <Formatnumber>
              Predefined format of printed string. Try it out.

       -w     Write  TAG Info. Will write a TAG at the end of the
              file.
       -W     Wipe TAG Info. Will wipe clean TAG Info.  Overrides
              all  other  TAG  Options, and turns -s off. To both
              wipe tag and display info, use -W -s 1

       -n <name>
              Set song title. Implies -w. Will go away soon,  use
              -t instead.

       -t <name>
              Set song title. Alias for -n. Implies -w.

       -a <artist>
              Set name of artist. Implies -w.

       -l <album>
              Set album name. Implies -w.

       -y <year>
              Sets published year. Implies -w.

       -c <comment>
              Sets comment. Implies -w.

       -g <genre>
              Set genre number. Implies -w.

       -G <genrename>
              Set genre by name. Implies -w.

13.3 ID3 Genre codes

ID3 uses a code to refer to the genre, here is the code listing [info taken from http://www.id3.org/id3v2-00.txt].

The following genres are defined in ID3v1 

      0.Blues
      1.Classic Rock
      2.Country
      3.Dance
      4.Disco
      5.Funk
      6.Grunge
      7.Hip-Hop
      8.Jazz
      9.Metal
     10.New Age
     11.Oldies
     12.Other
     13.Pop
     14.R&B
     15.Rap
     16.Reggae
     17.Rock
     18.Techno
     19.Industrial
     20.Alternative
     21.Ska
     22.Death Metal
     23.Pranks
     24.Soundtrack
     25.Euro-Techno
     26.Ambient
     27.Trip-Hop
     28.Vocal
     29.Jazz+Funk
     30.Fusion
     31.Trance
     32.Classical
     33.Instrumental
     34.Acid
     35.House
     36.Game
     37.Sound Clip
     38.Gospel
     39.Noise
     40.AlternRock
     41.Bass
     42.Soul
     43.Punk
     44.Space
     45.Meditative
     46.Instrumental Pop
     47.Instrumental Rock
     48.Ethnic
     49.Gothic
     50.Darkwave
     51.Techno-Industrial
     52.Electronic
     53.Pop-Folk
     54.Eurodance
     55.Dream
     56.Southern Rock
     57.Comedy
     58.Cult
     59.Gangsta
     60.Top 40
     61.Christian Rap
     62.Pop/Funk
     63.Jungle
     64.Native American
     65.Cabaret
     66.New Wave
     67.Psychadelic
     68.Rave
     69.Showtunes
     70.Trailer
     71.Lo-Fi
     72.Tribal
     73.Acid Punk
     74.Acid Jazz
     75.Polka
     76.Retro
     77.Musical
     78.Rock & Roll
     79.Hard Rock
     
   The following genres are Winamp extensions
     
     80.Folk
     81.Folk-Rock
     82.National Folk
     83.Swing
     84.Fast Fusion
     85.Bebob
     86.Latin
     87.Revival
     88.Celtic
     89.Bluegrass
     90.Avantgarde
     91.Gothic Rock
     92.Progressive Rock
     93.Psychedelic Rock
     94.Symphonic Rock
     95.Slow Rock
     96.Big Band
     97.Chorus
     98.Easy Listening
     99.Acoustic
    100.Humour
    101.Speech
    102.Chanson
    103.Opera
    104.Chamber Music
    105.Sonata
    106.Symphony
    107.Booty Bass
    108.Primus
    109.Porn Groove
    110.Satire
    111.Slow Jam
    112.Club
    113.Tango
    114.Samba
    115.Folklore
    116.Ballad
    117.Power Ballad
    118.Rhythmic Soul
    119.Freestyle
    120.Duet
    121.Punk Rock
    122.Drum Solo
    123.A capella
    124.Euro-House
    125.Dance Hall

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