The Opera (in French “Opéra”) is a lyrical theatrical work which includes an integrated lyrical dramatic composer based on music and singing. The dialogue is performed by singing with its different layers and groups. Its theme and melodies are consistent with the taste and customs of the era in which it was written. The Opera includes Poetry, Music, singing, Ballet, Decor, Fine Arts and mime or mixing them all. Its songs also include singles, duets, trios, recitativo, and choir singing accompanied by the full orchestra. The Bell Song, from the Opera Lakmé by the French composer Leo Delibes, is one of the signs in the world of Opera, with its contents: the melody, words, techniques, methods of performance and its expression in both the lyrical and instrumental performance of the artwork. However, it never been taken as a research and analysis from a scientific study or specialized research. The current study presents an analytical study to find out the extent of its importance in performance, method and technical methods to reach its optimal performance. The research is divided into two parts (a) the theory, and (b) the analytical framework. Then, the research results, list of references and an Abstract in Arabic and English.