 Nueva trova peaked in the 1970s and was already declining before the fall of the Soviet Union due to a growing disenchantment with one-party rule, and externally, from the vivid contrast with the Buena Vista Social Club film and recordings.Carlos Varela is famous in Cuba for his open criticism of some aspects of Castro's revolution.The Nova Cançó was an artistic movement of the late 1950s that promoted Catalan music in Francoist Spain.