public encyclopedia

http://en.wikipedia.org/wiki/List_of_music_genres

music

http://www.allmusic.com

list of pop/rock genres

http://dir.yahoo.com/Entertainment/music/genres/rock_and_pop/

http://www.datadragon.com/education/genres

some genre artists and songs

http://www.billboard.com/bbcom/charts/genre_index.jsp

this site allows you to ask questions and will tell you the answer or where to find the answer

http://www.ask.com

info on musical artists in all genres

http://www.allmusic.com

artist interviews and charts

http://www.billboard.com/bbcom/index.jsp

Search for answers on musical artists

http://www.ask.com

Info on rock artists and album reviews

http://www.rollingstone.com/

Info on country artists and shows

http://www.cmt.com/

Biographical info on significant people

http://www.nndb.com