Music Videos:

Purpose:

• Content / Themes / lyrics

Music:

• To tell a story
• Entertainment
• No profit involved

Non - diegetic = music in the background of a scene, which is applied in post production.

Diegetic = characters in a scene playing or singing songs. This is typically in the musical genre. 

• Censorship - History. Music videos are important because they visually represent the culture and the time, which delve into important issues of the time e.g. war, politics etc. 
• Technological Innovation / changes overtime 
• Colour came to the screen - allows the film to express feelings or emotions that can't be as easily conveyed through dialogue or setting. 

Pop Music Videos - purpose:

• Advertising / marketing
• To win awards
• Represent culture

Representation:

• Gender
• Culture
• Time

Institutions:

• Music channels 
• Artists
• Record companies 
• Radio / Broadcasting networks

Languages:

• Visual language 
• Mise-en-scene
• Cinematography
• Style of the music video
• Lighting
• Lyrics - Censorship 

Controversial music videos:

• California Girls - Katy Perry
• Madonna
• Lady Gaga
• Blurred Lines - Robin Thicke

Society has changed overtime due to people being exposed to media which has desensitised audiences.