The document discusses genres of music including hip-hop, R&B, rap, and grime. It provides descriptions of each genre's origins, typical instruments used, and popular artists. It then summarizes a group's process of choosing a genre for their music video, initially selecting hip-hop, R&B, or rap but ultimately deciding on grime due to feeling it was more realistic and that they related more to the target audience. The document concludes by outlining some common conventions of hip-hop and grime music videos such as referencing the artist's record label, using tracking shots, and depicting signs of success through possessions.