Every 5-year-old knows it. It is the most frequently sung song in the English language, according to the Guinness Book of World Records, surpassing the works of Bach, Beethoven and the Beatles, says ...

Tuesday's ruling by a federal judge that the copyright of the "Happy Birthday" song applies only to specific piano arrangements, not the actual song itself, means the song is now public domain. And ...

None of the companies that have collected royalties on the “Happy Birthday” song for the past 80 years held a valid copyright claim to one of the most popular songs in history, a federal judge in Los ...