Trigo Limpio

Trigo Limpio (Spanish pronunciation: [ˈtɾiɣo ˈlimpjo]) were a Spanish musical trio popular in Spain in the 1970s and 1980s. It was originally formed by Amaya Saizar, Iñaki de Pablo and Luis Carlos Gil.

The band represented TVE in the OTI Festival 1977 and the Eurovision Song Contest 1980, participating in the last one with the entry "Quédate esta noche". By the time of their Eurovision participation, Amaya Saizar had been replaced by Patricia Fernández.

...
Wikipedia