dr. krause is still analyzing data. but she says preliminary findings suggest music may enhance the neurological development of kids in the harmony program who had been behind in school. >> you can document that kids who have had musical education now have nervous systems that respond more accurately and precisely to meaningful elements in language. >> in science, i have very low grades. once i started music, being able to practice and concentrating, my science grades have gone higher. and so have my other grades in other subjects. i would concentrate in my music. and it was something to be focused on and not be bothered by anyone. i was using that on my homework or in anything. science is now one of my best subjects. >> reporter: you like it now? >> yes. i love it. >> reporter: what do you say to those who say, well, these kids all listen to music. they're listening to music all the time. why doesn't that work? >> nobody ever got fit watching spectator sports. plugging in and listening to music. it doesn't fix your bra