I'm not sure specifically what 'esferas secret story' is about as it could be a very specific or perhaps even a made - up or very niche concept. It might be a story related to some kind of esferas (which could mean spheres in Spanish). Maybe it's a fantasy story about magical spheres with their own secrets.
Since we don't have much information about this 'cancion pulp fiction', it's difficult to determine the composer. It could be a local artist who created it for a specific event or a niche audience. Maybe it was made by a student of music as an experiment inspired by the 'Pulp Fiction' movie. There are so many possibilities.
I'm not very familiar with this specific 'cancion de pulp fiction'. But if it's related to 'Pulp Fiction', it might have a sense of coolness and edginess, similar to the movie's style.
I'm not entirely sure about the specific origin of 'cancion de pulp fiction'. It could be a song inspired by the movie 'Pulp Fiction'. Maybe it was created by a fan or an artist who was really into the movie's unique style and story. There could be a whole backstory to it that involves the cultural impact of the movie on the music scene.
Maybe there are different - colored esferas, each with its own unique secret. For example, a blue esfera could hold the secret of a long - lost underwater kingdom.