Opera is a musical form which integrates music, drama, literature, dance and art, and mainly focuses on singing, among which vocal music and instrumental music are important parts of opera. It usually consists of aria, recitation, duet, chorus, overture, interlude and dance scenes.

The origin of opera can be traced back to the tragedy of ancient Greece. At first, it was just a performance form with modern drama.

/kloc-at the end of 0/6, in Florence, Italy, a group of celebrities in the cultural and artistic circles often get together in aristocratic homes, trying to create a vivid art combining poetry and music. They adopted a one-part melody, and found that the tones freely sung under the accompaniment of harmony can be used not only in the same poem, but also in the whole drama. This is the earliest opera, which was called pastoral drama at that time, and then quickly spread to European countries.