Genre n. : A style of painting, sculpture, or other imitative art, which illustrates everyday life and manners.

Example:
What Genre of music is easiest to learn on an electric guitar?

Taxonomy
game, elements, music, subgenres, characters, technology, crime, science fiction, monster, animation, video games, comedy, speech, audience, Adventure, giant monster, parody, protagonist.

Defination from the web:
... Books and movies that are difficult to categorize into a genre are likely to be less successful commercially. ...