1) There are three main types of music videos: performance videos that primarily show the artist performing, narrative videos that tell a story, and conceptual videos based around a single idea. 2) Narrative videos are the hardest to film as they require locations, actors, and careful consideration of mise-en-scene, but are best for suggesting themes to audiences. 3) Most successful music videos combine elements from all three types to appeal to broad audiences, though this makes them more expensive and complicated to produce.