 It was with the exposure at the Casa de las Americas, and support from Santamaría, that Silvio Rodriguez was able to start the Nueva Trova "New Song Movement" (Nueva canción) in post-revolutionary Cuba.In an earlier letter written by Ernesto “Che” Guevara to Haydée Santamaría, he alludes to her cultural achievements, and then chooses to recall a specific incident in the mountains of the Sierra Maestra