Genuine worldwide movements for social change are rare in human history. Even more rare is the phenomenon of a worldwide movement for social change through art, with teaching artists at the forefront. This article presents the evolution of such a movement now, in the global blossoming of "El Sistema," a program that seeks to change the lives of underserved or at-risk children and communities through immersive learning in musical ensembles. The five snapshots presented in this article capture just a glimpse of the enormous accomplishments in each location and provide a small part of five larger stories.