kinshasa, kimbanguist symphony with the founder armand diangienda.fing the ninth searymphony. he was bound to take it on and like a good general he reviewed all his troops. the choir, okay. the strings, not bad. but the full orchestra, not quite. french horns, he said, you're hitting it too hard. be mindful of the echo he told the string section. finally, it all came together. ♪ ♪ >> bob simon is here this morning along with wynton marsalis, who's sticking around with us. tell us this story. this is unbelievable. >> you know, with all us reporters combing world, it's rare that you run into something you hadn't heard about. this is amazing. there's been war going on in the congo for more than 60 years. there have been u.n. troops down there for just about as long. one u.n. soldier a german u.n. soldier ran into this amazing thing in kinshasa, goes back germany, tells his friends who are film makers, they film a documentary. my co-producer ran into it and with go to the congo. >> let it sing. >> you said, i guarantee you it will blow awe way. did it bl