WIKIPEDIA:

“ Las Ketchup is a Spanish pop group, founded by flamenco producer, Manuel Ruiz. The group is best known for the 2002 song, "The Ketchup Song" (Aserejé), which sold over 7 million singles.

Career
Las Ketchup was originally discovered by the flamenco producer Manuel “Queco” Ruiz, who signed them to his newly formed independent Córdoba-based label Shaketown Music, which he ran together with Manuel Illán. They recorded the songs “Asereje” and “Kusha Las Payas" with Ruiz producing, and shopped the demo to a number of large record companies with the intention of securing a distribution deal. The demo was received by Columbia/Sony A&R Javier Portugués and director Raúl López who, on listening the recordings, stared at each other in delight exclaiming, "Wow, this is fantastic!". At first the intention was to arrange a distribution deal with Shaketown Music but on hearing the song they realised its international potential and so negotiated for Las Ketchup to sign with Sony.
In the summer of 2002 they had a major flamenco Europop fusion hit with "Aserejé" (released as "The Ketchup Song" in the UK and other countries), which reached the top of the charts in many countries including Spain, Portugal, Colombia, UK, Italy, [......] ”

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