[dramatic orchestral music] ♪ >> in the world of classical music, the simon bolivar national youth orchestrahe musicians, kids mainly, are not graduates of some conservatory or music school. they're alumni of the school of hard knocks in the slums of venezuela. the orchestra performs around the world with gustavo dudamel, its celebrated young conductor. performing in the grand and opulent concert halls of europe is a long way from the orchestra's home in venezuela. many of the kids come from neighborhoods which are so poor, desperate, and crime-ridden, that hope is often extinguished in children at an early age. instead, these kids travel the world playing to sellout audiences. the national youth orchestra and hundreds of others are the brainchild of dr. jose antonio abreu, who started the first one back in 1975. do you remember the night you first started? >> teniamos once muchachos. >> we only had 11 children rehearsing in cramped conditions. but i had the feeling this was the beginning of something very big. >> dr. breu, a retired economist, trained musician, and social reformer, founded