CDDB2

CDDB^2 seems to have a genre and subgenre system...

It seems to be:

• Alternative & Punk
  • Alt-Folk
  • Ambient / Dream Pop
  • Art Rock
  • Avant Rock
  • Brit Pop
  • Emo
  • Experimental
  • General Alternative
  • General Punk
  • Hardcore Punk
  • Indie
  • Lo-Fi / Garage
  • Old School Punk
  • Pop-Punk
  • Post-Punk
  • Power Pop
  • Rap Metal
  • Riot Grrrl / Queercore
  • Straight Edge Punk

• Blues
  • Acoustic Blues
  • Blues Rock
  • Electric Blues
  • General Blues
  • Japanese Blues

• Books & Spoken
  • Comedy
  • General Books
  • General Spoken
  • Poetry
  • Politics
  • Religion
  • Short Stories
  • Spoken Word
  • Stories / Fairytales

• Children's Music
  • General Children's Music
  • Japanese Children's Song (Doyo)

• Classical
  • Baroque
  • Chamber Music
  • Choral
  • Classical Guitar
  • Contemporary
  • Ensembles
  • General Classical
  • Japanese Classical
  • Medieval
  • Opera
  • Piano
  • Renaissance Era
  • Romantic Era
  • Strings

• Country
  • Alternative Country
  • Bluegrass
  • Contemporary Country
  • Country Blues
  • General Country
  • Rockabilly
  • Traditional Country

• Data
  • Applications
  • Games
  • General Data
  • Japanese Karaoke
  • Karaoke
  • Operating Systems

• Easy Listening
  • Bachelor Pad
  • General Easy Listening
  • Lounge
  • Love Songs
  • Mood Music
  • Pop Vocals

• Electronica / Dance
  • Acid House
  • Acid Jazz
  • Ambient Electronica
  • Ambient Trance
  • Big Beat
  • Club Dance
  • Dark Techno / Darkwave
  • Deep House
  • Detroit Techno
  • Drum n' Bass / Jungle
  • Electro
  • Electronica
  • Gabber
  • Garage
  • General Dance
  • General Electronic
  • General House
  • General Techno
  • General Trance
  • Happy House
  • Hard Trance / Acid
  • Hardcore Techno
  • Illbient
  • Industrial Dance
  • Minimalist Experimental
  • Progressive House
  • Progressive / Dream
  • Rave Music
  • Tech Trance
  • Tribal House
  • Trip Hop
  • Turntablism

• Folk
  • Contemporary Folk
  • General Folk
  • Traditional Folk

• Gospel & Religious
  • Christian Pop
  • Christian Rap
  • Christian Rock
  • General Christian
  • General Religious
  • Gospel

• Hip Hop / Rap
  • Bass Assault
  • East Coast Rap
  • Foreign Rap
  • Freestyle Rap
  • Gangsta
  • General Hop Hop
  • General Rap
  • Hardcore Rap
  • Horrorcore
  • Old School Hip Hop
  • Southern Rap
  • Underground Rap
  • West Coast Rap

• Holiday
  • Chanukka
  • Christmas
  • General Holiday
  • Halloween

• Industrial
  • General Industrial
  • Hardcore Industrial
  • Minimal / Noise
  • Old School Industrial

• Jazz
  • Ballroom
  • Big Band Swing
  • Bop
  • Cool / West Coast Jazz
  • Dixieland / New Orleans Jazz
  • Free / Avant Jazz
  • Fusion
  • General Jazz
  • Japanese Fusion
  • Japanese Jazz
  • Jazz Vocals
  • Latin
  • Ragtime
  • Smooth Jazz
  • Swing Revival

• Latin
  • Afro-Cuban
  • Brazilian
  • General Latin
  • Latin Pop
  • Latin Rock
  • Mexican
  • Ranchero
  • Salsa / Merengue
  • South / Central American
  • Spanish / Portugese
  • Tejano / Norteno
  • Tropical / Samba

• Metal
  • Alternative Metal
  • Black / Death Metal
  • General Metal
  • Gothic Metal
  • Grindcore
  • Hardcore Metal
  • Heavy Metal
  • Pop / Hair Metal
  • Progressive Metal
  • Thrash / Speed Metal

• New Age
  • Ambient New Age
  • Environmental Music
  • General New Age
  • Meditation Music

• Pop
  • Acoustic Pop
  • Disco
  • European Pop
  • General Pop
  • Japanese Pop
  • Teen Pop

• R&B
  • Funk
  • General R&B
  • Motown
  • Soul
  • Urban Crossover

• Reggae
  • Dancehall
  • Dub
  • General Reggae
  • Ragga
  • Ska / Rock Steady

• Rock
  • Classic Rock
  • Folk-Rock
  • Funk Rock
  • General Rock
  • Goth Rock
  • Grunge
  • Hard Rock
  • Instrumental Rock
  • Jam Bands
  • Japanese Rock
  • New Wave
  • Progressive Rock
  • Psychadelic Rock
  • Rock & Roll
  • Ska Revival / 3rd Wave
  • Soft Rock
  • Southern Rock
  • Surf Rock

• Soundtrack
  • Adult Film / Erotica
  • Anime
  • Film Score
  • Film Soundtrack
  • Game
  • General Soundtrack
  • Japanese General Soundtrack
  • Musicals / Broadway
  • Television Score
  • Television Soundtrack

• Unclassifiable
  • General Unclassifiable
  • Japanese Unclassifiable

• World
  • Aboriginal Australian / Didjeridu
  • African
  • Asian
  • Caribbean
  • Central Asian
  • Classical Indian
  • Eastern European
  • Flamenco / Gypsy
  • French
  • General Celtic
  • General World
  • German
  • Hawaiian
  • Indian Subcontinent
  • Irish Celtic
  • Japanese Enka
  • Japanese Folk
  • Japanese Traditional (Minzoku)
  • Jewish / Israeli
  • Klezmer
  • Middle East / Arabic
  • Native American
  • Oceania
  • Polka
  • Quebecois
  • Scandinavian
  • Western European
  • Wold Fusion
  • Zydeco / Cajun