Louis Armstrong is one of the most important jazz musicians. He belongs to those who transformed the local music scene born in the Southern States of the United States - around New Orleans - into an international language. It was in the 1920s, in Chicago, that he recorded his first records with His Hot Five and His Hot Seven. His personality and his natural enthusiasm, combined with his talent as a trumpet player and singer, helped him pave his way to success. He traveled the United States with his orchestra throughout the 1930s and the 1940s, and appeared on television sets from all around the world throughout the 1950s and the 1960s. In five decades, Armstrong's music had evolved into jazz music, then known as a familiar universal language, popular on five continents. The four sides of this double album revive the history of jazz, from 'Muskrat Ramble' to 'Hello Dolly'.