"The Ketchup Song (Aserejé)" is a 2002 debut single by the Spanish pop group Las Ketchup from their album Hijas del Tomate. The track tells the story of a charismatic young man named Diego who enters a nightclub, dances wildly to his favorite song played by his DJ friend, and gets everyone moving with his ragatanga rhythm. It topped charts in over 20 countries including the UK, Australia, and much of Europe, selling more than seven million copies worldwide by 2006 and sparking a global dance cra