The document discusses Richard Dyer's Star theory, which proposes that celebrities are commodities created by corporations to make money from specific target audiences. The theory also argues that celebrities can influence societal beliefs and values if they have a significant cultural impact. The document then provides examples of the cultural impact of artists like the Beatles, Madonna, and the Spice Girls through their music and fashion styles that challenged norms and empowered women. It also discusses how modern music videos are consumed via media convergence and how they reflect contemporary society.