The document defines genre as a style or category of art, music or literature. It provides examples of main music genres including pop, rock, hip-hop, R&B, country, and EDM. It then discusses some common conventions for hip-hop, rock, and pop music videos related to mise-en-scene, camerawork, and editing techniques. Finally, it states that the genre for the music video being made will be alternative rock in order to support the intended narrative, while allowing freedom to experiment with conventions like color filters and grading.