Here's a bit of trivia for yez all. When first written by George M Cohan the title of the patriotic song about the American flag was "You're A Grand Old Rag" but general sentiment made him change to "You're A Grand Old Flag."

[re] Later : Looking to confirm I was not repeating a myth, I came across this link which confirms the above. (about half way down the page.)
http://www.geocities.com/Athens/Delphi/9910/cohan_bio.html