Music Advocacy Facts
A 1997 study done by Bredekamp and Copple found that children involved in quality music programs had an increased sense of self-esteem.
From: "Self-Esteem: A Byproduct of Quality Classroom Music," by Laverne Warner. Childhood Education, Volume 76, Issue 1, page 19; Copyright 1999.
Available here: Questia Online Library
Research it further. (Will open in new window.)