El mundo de los vampiros (The World of the Vampires) is a 1961 Mexican horror film, directed by Alfonso Corona Blake.
The film is about a vampire, the Count Sergio Subotai, who seeks revenge against the descent from an enemy family. The hero is a musician played by Mauricio Garcés, who has a piano made from skulls and bones and knows a piece of music that kills vampires. It also stars Erna Martha Bauman, Silvia Fournier, Guillermo Murray and Jose Baviera.