Army musicians enjoy playing all styles of music

Musicians specialize in one (or more) of the following instruments/specialties: tuba, trombone, euphonium, bassoon, electric bass guitar, saxophone, flute or piccolo, oboe, clarinet, French horn, percussion, cornet or trumpet, guitar, keyboard, vocalist, and music production.
Musicians perform in a variety of ensembles ranging from ceremonial band to jazz band to small ensembles, playing all styles of music. They are primarily responsible for performing and rehearsing as a professional musician within different ensembles of an Army band.

 http://www.goarmy.com/careers-and-jobs/browse-career-and-job-categories/arts-and-media/musician.html