Intertextuality is when music videos take on other means of media in there music video, and here is a few of examples of this happening

Californiacation

In the music video 'Californiacation' by 'The Red Hot Chilli Peppers' they did there music video in the theme of a video game but also with them in it normally as a standard performance based music video. The video characters in the music video are supposed to look like the actual band members and they are acting like there in a video game by being on ski's and skateboards and picking up lives.