Bello recuerdo
Back from vacation, Lucy, a school's music teacher, misses a boy. People say he will not return because he recently lost his father. She is very affected by his favorite student, so she decides to go to see him, finding the house in utter ruin. But chance makes Lucy forced to take the child and immediately found in him the son that was kidnapped years ago in America when she was a famous artist.
Starring Joselito, Libertad Lamarque, Sara García, Roberto Camardiel, Salvador Soler Marí, Antonio Gandía, Félix Fernández, Manuel de Juan, Aníbal Vela, Pilar Gómez Ferrer
Watch "Bello recuerdo" on FlixOlè released in 1961. It's a drama and music movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.