so let's start with marty mcfly. here is marty mcfly. so, let's think about the storyline of the movie back to the future. one of the most popular movies of the 1980s, total cultural touchstone. here is the storyline of michael j. fox. v. he is a teenager fleeing modernity and what does modernity look like to alex. i am except the characters. marty mcfly. i don't know if we can hear the audio. is the audio working? i don't think the audio was working. can we see if the idea can work? do we have the tech guide to see if the audio can work in here? i will try to get through it without the audio working. can you guys hear that? can you guys hear that? >> okay, so that is, that is modernity. that is what he is fleeing and where does he flee to? ♪ so he flees to this idealized version of the 1950s and this wasn't the only movie that was doing this. this wasn't the only cultural product that was doing that. this is dirty dancing, music that was happening with the revival of rockabilly music, zz top. this is the outsiders. billy joel, hoosiers,