''The Thunderer'' composer

• Prolific 14 scorer (like this American one)
• March legend
• March master John Philip ___
• March composer whose name's last three letters are apt
• March name
• "The Washington Post" composer
• A United States bandmaster and composer of military marches (1854-1932)
• It's ironic if his favorite month was March

Wikipedia Word definitions in Wikipedia
Sousa , Souza , de Sousa (literally, from Sousa ), or de Souza is a common Portuguese-language surname, especially in Portugal , Brazil , East Timor , India (among Catholics in Bombay , Mangalore and Goa ), and Galicia . In Africa, the name is common among ...