This article explores the profound impact of Hans Zimmer's film compositions, with a particular emphasis on his remarkable ability to seamlessly integrate traditional world music elements. Zimmer, a highly acclaimed film composer, transcends cultural boundaries by drawing inspiration from a diverse range of international musical traditions, including African rhythms, Middle Eastern melodies, and Asian patterns. Through detailed case studies and critical acclaim, this investigation illustrates Zimmer's capacity to infuse authenticity and depth into characters and narratives. The article also traces Zimmer's career evolution, from his early musical endeavors to his pivotal works like "The Lion King," "Gladiator," and "The Dark Knight Trilogy," where he skillfully combines orchestral arrangements with electronic elements, reshaping the landscape of Hollywood soundtracks. It highlights Zimmer's pioneering use of international folk music in his compositions, challenging conventional Hollywood standards. His diverse musical background is exemplified in films such as "Kung Fu Panda," "The Prince of Egypt," and "The Last Samurai," where he creatively integrates traditional and international folk music components. This article underscores Zimmer's enduring legacy, characterized by its universality, celebrating the diversity of humanity and fostering global harmony and understanding through the emotional power of music. It illuminates how Zimmer's innovative approach enriches cinematic storytelling and shapes the landscape of contemporary film music.