The song is number one on the "Songs of the Century" list compiled by the Recording Industry Association of America and the National Endowment for the Arts. The American Film Institute has ranked "Over the Rainbow" as the greatest movie song of all time on the list of "AFI's 100 Years...100 Songs". American troops in Europe in World War II adopted the song as a symbol of the United States. Garland performed the song for American troops as part of a 1943 command performance.