Lyrics - Establish a general mood, key lines may only play part in the visuals
Music - Tempo of the track drives the editing
Genre - Reflected through mise-en-scene, themes,performance,cinematography, editing.
Cinematography - camera may move to accompany performers, or circle them, to create a drama, Lots of close ups to create viewer intimacy and emphasize voice.
Editing - generically fast-paced, but slow-paced could be used to establish mood.
Intertextuality - "Music video as incorporating, raiding and reconstructing" (John Stewart) .Music videos often incorporate what a viewer will be familiar with.
Narrative and Performance - sugguest storylines, and offer fragmented, non-linear, narrative. These leave an audience with a desire to re-watch.
Music videos offer a more varied access to the artist than concerts....
- as a guarantee of a band's authenticity, by showing them in rehearsals or on stage performances
- to establish a relationship to familiar film or TV genres in narrative