A comic opera by this man sees the Marquis de Lavarre plan to marry the title character and leave her a widow.  
A comic opera by this man sees the Marquis de Lavarre plan to marry the title character and leave her a widow.  This composer of Desiree  wrote about Viceroy Enrico Medigua disguising himself as a Peruvian rebel in his operetta El Capitan. He titled pieces after the Washington Post and the Liberty Bell and based a piece on the  "Caisson Song." This composer of "U.S. Field Artillery" also composed "Semper Fidelis" for the Marine Corps.  For 10 points, identify this "March King" best known for his "Stars and Stripes Forever."
A comic opera by this man sees the Marquis de Lavarre plan to marry the title character and leave her a widow.  
John Philip {Sousa}