Los Tres also known as The Tr3s or The 3, is a Chilean rock band. The band was formed in 1987 in Concepción by Álvaro Henríquez, Roberto Lindl, Francisco Molina and later Ángel Parra Jr. joined. They are one of the most influential rock en español bands.

Concepción is a city and commune in south-central Chile, and the geographical and demographic core of the Greater Concepción metropolitan area, one of the three major conurbations in the country. It has a significant impact on domestic trade being part of the most heavily industrialized region in the country. It is the seat of the Concepción Province and the capital of the Bío Bío Region. It sits about 500 km south of the nation's capital, Santiago.