Macabre Serenade(1972)
Relatives of a recently deceased man meet at his eerie castle for a reading of the will. They encounter a sinister piano player who turns out to be a toy maker, and his toys are imbued with murderous intentions.
Directed by Juan Ibáñez Díez-Gutiérrez, Jack Hill - With Boris Karloff, Julissa, Andrés García, José Ángel Espinoza, Quintín Bulnes