The anime Death Note, released almost 20 years ago, remains popular today not just for its plot twists, but for its iconic soundtrack and character leitmotifs. The series, known for protagonist Light Yagami and L Lawliet's unique character design, has become a classic in the anime world. Composed by Yoshihisa Hirano and Hideki Taniuchi, the original score of Death Note is instantly recognizable and features memorable themes like L's Theme and Himitsu. These musical motifs guide viewers through the story and have remained relevant even after two decades, trending on social media platforms. Despite its short 37-episode run, Death Note has inspired multiple adaptations, including movies and a Broadway musical. The anime's enduring popularity is not only due to its gripping plot but also to its timeless soundtrack and expert use of leitmotifs.