penning "Yankee Doodle Dandy," an over-the-top parody of patriotic music. A 1918 Irving Berlin composition, "God Bless America", is sometimes considered an unofficial national anthem of the United States and is often performed at sporting events alongside (or, in some rare cases, such as Ronan Tynan, in place of) "The Star-Spangled Banner." In 1940, Woody Guthrie wrote "This Land Is Your Land" in response to his dislike of "God Bless America", calling it unrealistic and complacent. The World War II era produced a significant number of patriotic songs in the Big Band and Swing format. Popular patriotic songs of the time included "Remember Pearl Harbor" and "God Bless America". Patriotic songs in the later half of the 20th century included "Ballad of the Green Berets" during the Vietnam War, Lee Greenwood's "God Bless the USA" during the years of the first Gulf War and again after the September 11, 2001 attacks. See also Anthems and nationalistic songs of Canada List of anthems of non-sovereign countries, regions and territories List of historical national anthems National Anthem Project References External links Patriotic songs, National Institute of Environmental Health Sciences website Early American Songs of Protest and Patriotism Patriotism and Nationalism in Music Education (Ashgate press, 2012) Patriotic 18th-century music genres 19th-century music genres 20th-century music genres 21st-century music genres American patriotic songs