Answer
Over the Rainbow reached number one in three countries: Australia, Canada and the United States. It was written by Harold Arlen and E.Y. Harburg for the 1939 film The Wizard of Oz. The song was sung by Judy Garland in the film and became a hit single in 1939. It has been covered by many artists over the years, including Frank Sinatra, Elvis Presley and Barbra Streisand.