"Oh Messi". Messi is an Argentine football player. The Hercules Cup is a trophy for the World Cup winner. When Messi led the Argentina team to win the Hercules Cup, the music played was called "Oh Messi". "Oh Messi" was created by singer Alcides Cairos on April 4, 2011, praising Messi's magical performance on the court. It was used when Messi won the Hercules Cup. This song became "Messi's Song". It became a viral sensation on the Internet, and many Messi fans rushed to spread the word.