Id3

The following information was originally stolen from the Linux MP3 HOWTO.

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

These genres were found at http://www.sulaco.org/mp3/doc/html/id3.html as lame-supported extensions beyond 125

   126 - Goa
   127 - Drum & Bass
   128 - Club-House
   129 - Hardcore
   130 - Terror
   131 - Indie
   132 - BritPop
   133 - Negerpunk
   134 - Polsk Punk
   135 - Beat
   136 - Christian Gangsta
   137 - Heavy Metal
   138 - Black Metal
   139 - Crossover
   140 - Contemporary C
   141 - Christian Rock
   142 - Merengue
   143 - Salsa
   144 - Thrash Metal
   145 - Anime
   146 - JPop
   147 - SynthPop

It's not hard to find lots of silly overlaps in this list is it? Still, it provides a usefull list to start with and sift through...