Jewish Music WebCenter  
   Comprehensive directory of Jewish music on the Internet, by a librarian of Brandeis University.
   http://www.jmwc.org/

Jewish Music Resources  
   Listing of Jewish music resources maintained by Roger Harris.
   http://www.nationalfinder.com/jmr/

Theory of Jewish Prayer Modes  
   Exposition by Josh Horowitz on the system of Jewish prayer modes, or Staygers, which forms the basis of all Jewish music. The article is written from the perspective of Klezmer music.
   http://www.klezmershack.com/articles/horowitz/horowitz.klezmodes.html

Hebrew Songs  
   Collection of Hebrew songs, transliterated and translated into English, with sound clips.
   http://www.hebrewsongs.com/

Jewish Music List  
   A very active e-mail list for 'world music from a Jewish slant.' Focusses on Klezmer music and Yiddish culture, but welcomes contributions on other forms of Jewish music.
   http://shamash.org/listform.shtml