Key Poulan (born 1962) is an American composer and arranger of marching band and concert band works. He studied trombone at East Texas State University, graduating in 1985 with a bachelor's degree in music education. He has written brass arrangements for several drum corps, including the Santa Clara Vanguard, Mandarins, Spirit of Atlanta, Cavaliers, Glassmen, Raiders, Seattle Cascades, and Spartans.[1]