Andrew Goodwin proposed that successful music videos contain 5 key elements: (1) developing a star image of the musician, (2) matching the visuals to the song's beats and rhythm through editing, (3) presenting a narrative and performance that engages the audience, (4) relating the visuals directly to the song lyrics or amplifying the mood, and (5) using technical aspects like lighting, location, and camerawork to reinforce the mood. The document discusses each element in detail and provides examples of how to apply them to a music video.