Final answer:
John Philip Sousa (1854-1932) was a renowned classical composer known for his patriotic and stirring marches, with his most famous composition being "Stars and Stripes Forever".
Step-by-step explanation:
John Philip Sousa (1854-1932) was a renowned classical composer. He was not a jazz saxophonist, rock 'n' roll musician, or blues guitarist. Sousa was well-known for his patriotic and stirring marches, and his most famous composition is "Stars and Stripes Forever". He was the band director of the United States Marine Band and his music became popular worldwide.