"Metal: A Head Banger's Journey," discusses the stereotypes given to metal bands and fans. Dunn's intention was to find out why people look down on those who are involved with metal music. As an intelligent person, he is more likely to convince the viewers about his opinion. Documentaries can shift a viewer's impression towards a topic, through the use of conventions such as still images, or montages. This film is especially effective with its use of interviews.
In the documentary, Dunn interviews lots of people with different backgrounds. By doing this it creates a more balanced view, than just having one person telling you what is good and bad about metal. In the film, Dunn interviews sociologists, authors, fans, and band members. Interviews with people who have degrees, and people who are well educated creates a feeling that metal isn't just for lower class citizens, but is for more sophisticated people too. I believe this because the interviews take place with people who are educated and have degrees, or are and authors. They are very smart, but at the same time they are fans of heavy metal.
Dunn goes to many different and wacky places to interview, and film footage for this movie. When going around to these different places, it shows that metal is not a small fringe group, but makes up a large group of people from all over the world. When Dunn interviewed people of past and present metal bands, they often met him in some amazing places, but also some weird ones. By inviting him into these places, it made them feel friendly and welcoming not big, tough, and scary men and women. In the film, one of the people from a metal band invited Dunn to his own recording studio to be interviewed, and to show him around. This challenged my opinion of metal bands, because before I thought they would be unwelcoming, arrogant, and unfriendly, but when people invited him into their own houses, recording studios, and concert halls, my opinion was changed.