I'm a Yankee Doodle Dandy is a patriotic song by George M. Cohan from the Broadway musical, "Little Johnny Jones". The play is about fictional American jockey, Johnny Jones, who rides a horse named "Yankee Doodle" in the English Derby.
I've got a Yankee Doodle sweetheart
She's my Yankee Doodle joy
Yankee Doodle came to London
Just to ride the ponies
I am the Yankee Doodle Boy.
I'm a Yankee Doodle Dandy for Easy/Level 4 Piano Solo