San Salvador, El Salvador - September 2017 - On September 10, the chorus and orchestra of the "Polygono Industriale Don Bosco" house performed a concert on the tenth anniversary of the "Opportunity" program of the "Gloria de Kriete Foundation." The Kriete Foundation provides its full support to the Don Bosco Industrial Polygon project for a comprehensive education of young people. Through the choir and the orchestra, created in 2012, over 400 poor and young people at risk have had an opportunity for human development and professional growth as musicians. Currently, the choir and orchestra of the Don Bosco Polygon are the largest in the country, with 250 musicians and 300 chorus singers.