Useful Links
http://www.nancymusic.com 
Music for children
http://www.nyphilkids.org 
New York Philharmonic page. Many games and information for students K-adult.
http://www.dsokids.com 
The Dallas Symphony Orchestra site. Game mostly suitable for students grades 4 and up.
http://www.classicsforkids.com 
A general knowledge website for classical music. Contains information about composers as well as numerous musical excerpts. There are also games on this site suitable for students grades 4 and up.
http://www.sfskids.org 
The San Fransisco Symphony Orchestra with information and games suitable for students in grades 1 - adult
http://www.musick8/kids.com 
This site contains games, music clips and videos of original MusicK8 material. Suitable mostly for K-5 students.
http://www.musictechteacher.com 
MANY, many games for the older student (grade 4 and up).
http://www.nick.com/games/music-games/ 
Fun music games to play on your computer for grades 3-6