Patriotic fervor was the key factor in the musical life of John Philip Sousa, whose marches are still the theme of bands from high school to the military. Sousa's major career was in the late 19th and early 20th centuries, when stirring music got everyone's attention. Born in 1854, Sousa was the son of Portuguese parents from Spain who emigrated to the United States before his birth in Washington, D.C. His father was a trombonist in the U.S. Marine Band and John joined that band at age thirteen to play violin.
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