The document discusses the functions of music videos. The primary function is to promote the artist and make money for record labels. However, genres like dubstep use music videos mainly for entertainment since the music is more important than seeing the artist. Music videos can also symbolize larger ideas, evoke emotions in viewers, and be used for artists to represent themselves or social groups. The main functions of music videos are to promote artists, entertain, symbolize concepts, evoke emotions, and allow for representation.