There is a causal link between music and spatial intelligence (the ability to perceive the world accurately and to form mental pictures of things). Music Education Quotes, Idea, Music Teacher, Bulletin Boards, Musiceduc, Music Posters, Music Art, Music Classroom, Mind Growing
Also on these boards
Why Teach Music? (from a NAfME Advocacy board)- also has a great statement at the top of the page it links to.