1. Opera (English: opera, Italian: opera) is a Western stage art. Simply put, it is a drama that mainly or entirely uses singing and music to explain and express the plot (sung and Not the drama that comes out). Opera appeared in Florence, Italy in the 17th century, around 1600, and originated from the theater music of ancient Greek dramas. Opera performances, like those of drama, rely on the typical elements of theater, such as backgrounds, costumes, and performances.

2. Musical is a modern comprehensive stage art form. A narrative-based dramatic performance combines beautiful and popular vocal singing and diverse dance movements, and also integrates costumes, scenery, The assistance of stage arts such as lighting forms the overall stage effect. The three most important elements of a musical are drama, music and dance. The themes they choose often have a broad public aesthetic foundation and are closely integrated with the political background and fashion of the times to cater to the audience's psychology.