Ba Lang Ci Xiao, also known as Chinese Bangzi Opera, is a traditional form of Chinese opera that originated in Shanxi Province.

It is characterized by its unique vocal style, which involves the use of a high-pitched falsetto voice and a distinctive singing technique called "ba lang ci xiao" or "singing with a bamboo flute."

The opera is performed by a group of singers who wear elaborate costumes and headpieces, including the famous Yang Balang costume.

The Yang Balang costume is one of the most recognizable elements of Ba Lang Ci Xiao.

It consists of a long, flowing robe made of silk or other fine fabrics, adorned with intricate embroidery and patterns.

The costume is typically worn by male performers during performances, and it is often decorated with gold and silver threads to reflect their status as high-ranking officials or members of the royal court.

In addition to the Yang Balang costume, there are many other types of costumes and headpieces used in Ba Lang Ci Xiao.

These include the Laosheng clothing, which is worn by male performers during more casual scenes, and the various headpieces that are used to distinguish different characters and roles within the opera.

The history of Ba Lang Ci Xiao can be traced back to the late Qing Dynasty (1644-1912), when it was first developed as a form of entertainment for the imperial court.

Over time, the opera became popular among ordinary people as well, and it has since evolved into a vibrant and dynamic art form that continues to captivate audiences around the world today.