Korean composer Young Jo Lee (b.1943) is considered a precursor of Korean fusion music. In his works, he interlaces elements of traditional Korean music with compositional styles and performances techniques from western musical traditions. This dissertation provides an analysis of Lee's Dodri for Cello and Janggo (1995), one of his most representative works of fusion music. As indicated by the title Dodri (which in Korean means a "movement back and forth"), Lee intended to showcase a friendly interplay of the janggo and the cello, with each instrument playing a leading role that helps bring out the essence of traditional Korean traditional music. In this piece, Lee writes a number of melodies and uses traditional Korean performance techniques for the cello intended to imitate the sound and sentiments of traditional Korean instruments, all while preserving its inherent nature. This kind of fusion, where different musical elements are merged with each other but remain separate enough to maintain their own uniqueness, is significant to Lee's philosophy. This dissertation also describes Lee's efforts to preserve the integrity of traditional Korean music within fusion music and lend new insights regarding traditional Korean musical practice to musicologists, composers, and audiences. Furthermore, this study is intended …