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For more than 25 years, Rata de dos patas has been one of Mexico’s most recognisable - and unusual - songs. A relentless string of insults, it was made famous by the singer Paquita la del Barrio.

Composer Manuel Eduardo Toscano recalls the moment in 2000 that convinced him the song was right for Paquita, and reveals how it almost never saw the light of day. He speaks to Helen Ledwick about the song's true inspiration and how it went on to become a huge hit.

Eye-witness accounts brought to life by archive. Witness History is for those fascinated by and curious about the past. We take you to the events that have shaped our world through the eyes of the people who were there.

For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.

Recent episodes explore everything from how the Excel spreadsheet was developed, the creation of cartoon rabbit Miffy and how the sound barrier was broken.

We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: the moment Reagan and Gorbachev met in Geneva, Haitian singer Emerante de Pradines’ life and Omar Sharif’s legendary movie entrance in Lawrence of Arabia.

You can learn all about fascinating and surprising stories, like the invention of a stent which has saved lives around the world; the birth of the G7; and the meeting of Maldives’ ministers underwater. We cover everything from World War Two and Cold War stories to Black History Month and our journeys into space.

(Photo: Paquita la del Barrio. Credit: John Medina/WireImage/Getty Images)