Music Helps Children in School
http://www.willismusic.com/publications/scores.htm

Scores Improve with Increase in Music Instruction http://www.menc.org/information/advocate/scores.html 

Music, drama students have better math, reading skills, study finds
http://www.cnn.com/US/9910/24/art.lessons/

A Study of Evidence That Music Education Is A Positive Factor
http://elwood.pionet.net/~hub7/pos.html

Why Music Lessons?
http://www.mcot.com/whylessons/whylessons.htm

Music Beats Computers at Enhancing Early Childhood Development
http://www.edu-cyberpg.com/Music/musicsmart.html#music

Music Makes You Smarter!
http://www.cannonsong.com/smarter.htm 

Musicians develop more brain power
www.webdrove.freeserve.co.uk/article.htm

American Music Conference
http://www.amc-music.com/brain.html