Siempre es una palabra que nos recuerda que hay cosas que no cambian. Siempre nos recuerda que hay cosas que duran para siempre. Siempre nos recuerda que hay cosas que nos mantienen un
From Wikipedia
"Hasta Siempre, Comandante," or simply "Hasta Siempre", is a 1965 song by Cuban composer Carlos Puebla. The song's lyrics are a reply to revolutionary Che Guevara's farewell letter when he left Cuba, in order to foster revolution in the Congo and later Bolivia, where he was captured and killed.