Thanks. Not sure if the video explanation on IMDb and repeated by Wikipedia (about a father being a substitute older brother - why can't he just be a good father?) makes a lot of sense. Anyway, I feel that I'm opening up a whole can of worms here, but I've decided to add this to the database under a whole new film type as Music Video Short. In any case, these are indisputably boy actors, so this would seem to be an argument for including in the database any bone fide film genre in which they star. For films in this genre, the title (following IMDb) will be in the format:

Artist Name: Track Title



So now people will be able to suggest music videos for inclusion in the database, though ideally you should know the name of the boy actor(s). Well, we'll see how this goes, anyway.