| In this thesis,through the analysis of the background and plot of the opera "Semilamide" and its aria "Beautiful and Lovely Light",the singing skills and emotional problems of its music are deeply studied.This thesis is divided into three chapters.Firstly,it gives a brief introduction to Rossini,the composer,and gives a brief overview of the background of the opera "Semilamide",and then explains the topic of the selection.The first chapter focuses on the analysis of the plot of the opera "Semilamide" and the character,image and background of Semilamide in "Semilamide".The second chapter analyses the music of the aria "Beautiful and Lovely Light".It not only analyses the tune structure of the aria,but also combines the music character,music conflict,mood and psychological changes of the characters in the aria "Beautiful and Lovely Light" with the tune structure of the aria.The third chapter focuses on the analysis of the emotional expression and stage performance of the aria "Beautiful and Lovely Light" in terms of singing research,so as to study how to express the characters’ emotions and enhance the stage performance. |