AllMusic Guide: Genres
Musical style sort with detailed definitions from site maintained by musical journalists. Requires free registration.
www.allmusic.com Details

American Music Center: Musical Genres
Links to articles and representative artists of styles such as pop, rock, blues, folk, classical, theater, jazz, and world music.
www.amc.net Details

Audiogalaxy: Glossary of Musical Styles
Hundreds of sub-genres defined in non-technical language mentioning sample artists. Organized under headings such as pop, hip-hop, jazz, blues, classical, Latin, modern rock, rock, and heavy metal.
www.audiogalaxy.com Details

Christian Music Place: Artists by Genre
About two dozen musical genres including blues, a capella, dance/techno, and Southern gospel, with as many as several hundred links to Christian music artists in each.
www.christianmusic.org Details

DataDragon: Music Genre Sampler
Children's site with simple definitions of a few genres including rock, Celtic, and classical with artist and site links.
datadragon.com Details

Duke University Library: Women in Music By Musical Genre
Text lists and links to library resources such as books, periodicals and recordings on women performers and composers by musical genre.
scriptorium.lib.duke.edu Details

Ectophiles Guide by Genre
Self-described 'Guide to Good Music' from a group founded in 1991 to support the music of singer Happy Rhodes. Links to artists, almost entirely female vocalists, sorted by genre such as pop, blues, experimental, performance art, beautiful and fierce, and traditional.
ectoguide.org Details

Indiana University School of Music: Genres
Categorized links organized by researchers at the William and Gayle Cook Music Library. Unusual categories include 20th-Century music, ancient music, band music, tango, flamenco, ragtime, and choral music.
www.music.indiana.edu Details

InfoUSA: Musical Genres
Links organized by genre such as blues and jazz, classical and opera, folk and country, and early American music.
usinfo.state.gov Details