What is the song hooray for the red white and blue?

"Hooray for the Red, White and Blue" is a patriotic song written by George M. Cohan in 1917. It celebrates American nationalism and pride, particularly in the context of World War I. The song is characterized by its rousing melody and lyrics that honor the American flag and the spirit of the nation. It has since become a staple of American patriotic music, often performed at national holidays and events.