What is genre?

Genre is a system of classification that different forms of entertainment fit into. This includes book, film, music. It makes it easy to find other films/books/music you will like as things within a certain genres will be similar. Things are put into genre by what conventions they follow. Genres of music include, rock, pop, rap, dance etc. All of these genres contain different conventions which set them apart. For example, in a pop video you would expect to see bright colours and simple lyrics but with a rock song you would expect to here heavy guitars.