Visiting Assistant Professor of Music Patrick Warfield holds a Ph.D. in musicology from Indiana University and an undergraduate degree in clarinet from the Lawrence University Conservatory of Music in Wisconsin. His dissertation (from 2003) is on the early career of the bandmaster, composer, and author John Philip Sousa. Dr. Warfield has published on Sousa in 19th-Century Music Review and American Music. He has presented research on Sousa and music in nineteenth-century Washington, D.C. at meetings of the American Musicological Society, the Society for American Music, the International Conference on Nineteenth-Century Music, and the Congress of the Internationale Gesellschaft zur Erforschung und Förderung der Blasmusik. At Georgetown, Dr. Warfield teaches classes on American popular music including surveys of rock, jazz, blues, and rap. Before coming to Georgetown Dr. Warfield served on the faculties of Towson University and the Peabody Conservatory. He has also delivered lectures for the Smithsonian, the Washington National Opera, and the Chicago Symphony.