The History Source on Instagram: "The iconic Louis Armstrong, affectionately known as “Satchmo,” revolutionized jazz and music across all genres with his groundbreaking trumpet skills and unmistakable voice, becoming one of the most influential musicians of all time. His innovation brought improvisation and emotional depth to the forefront of jazz, redefining the genre’s possibilities. Throughout the “Jazz Age” of the 1920s, Louis emerged as one of the most popular musicians in the United States