In 'Mad Max: Beyond Thunderdome,' the quote 'Two men enter, one man leaves' is the law of the post-apocalyptic arena. To create a sound that felt ancient and primitive, the score utilized the bullroarer. The bullroarer is an ancient ritual musical instrument used by many cultures, including Aboriginal Australians. It consists of a piece of wood attached to a cord, which is swung in a large circle through the air to create a low-frequency hum or roar. This instrument provided a primal 'voice' for the wasteland and the 'Lost Tribe' of children. Maurice Jarre combined this ancient sound with a massive orchestra and saxophones. The bullroarer’s eerie, wind-like oscillation became a legend in the franchise's sonic identity, proving that the most 'futuristic' sounds in movie legends are often the oldest ones ever created by humans, perfectly matching the film's tribal dialogue.