The song Happy Birthday to You has universal appeal. Almosteveryone knows its lyrics and melody and it is sung to millions ofpeople on a daily basis. However what many people do not know isthat the song Happy Birthday to You is copyrighted.The song waswritten by two sisters from Kentucky in the late 19th century. Theycopyrighted the song many years later in the 1930s. Afterwards thecopyright to the song was sold for a large amount of money. Sincethen the copyright to the song has changed hands several times.Nonetheless the copyright still stands and is not set to expirefor quite some time. As a result any time the song is sung in apublic performance the copyright holder is entitled to royaltypayments which bring in millions of dollars every year for thecopyright holder.