Research; Genre and Sub-Genre definitions

The word Genre is a term which is used to describe a category of examples that include: the style of music or the type of film e.g. an action film, drama film, comedy film, classical music rap music , indie music etc..

The word Sub-genre is a term to describe subdivisions of the term Genre, for example you can have rap music as the genre and UK rap music would be its sub genre, 1960s classical music would be the sub genre for classical music and a rom-com (romantic comedy) falls under the genre of both romantic and comedy.