What Scott Joplin and John Philip sousa have in common?

Scott Joplin and John Philip Sousa were both prominent American composers and musicians in the late 19th and early 20th centuries. They are best known for their contributions to distinct musical genres; Joplin is celebrated for his ragtime compositions, while Sousa is famous for his military marches. Both composers played significant roles in shaping American music and culture, and their works remain influential today. Additionally, they both achieved widespread popularity during their lifetimes, helping to elevate their respective musical styles.