newshour weekend's megan thompson has the story. ♪ ♪ou >> reporter: armstrong: one of the most famousinfluential musicians of the 20th century. a genius on the trumpet, who also had one of the world's most recognizable voices. but that wasn't all. >> he was thperson whodi coed what we now call jazz. he did, in a certain sense, what chaucer did for english literature. >> his improvisations were just light-years ahead of everybody at the time. he had this loose rhythmic feeling that we call swing. and after he, you know, demonstrated how to really approach this music, here comes bing crosby, etzgerald, frank sinatra. and anybody who sings that kind of music today, they're doing what louis armstrong was doing in the 1920's. >> reporter: born a poor family in new orleans in 1901, armstrong went on to appear in more than 30 movies, recd hundreds of albums and perform thousands of shows for crowds around the world. il 1943, he and his wife l moved into this modest house in the working class new york city neighborhood of corona, queens. today, the home is perfectlyhe preserved asouis armstro