Cao was introduced to xiangsheng by a Tianjin-based artist Tian Lihe in 2001. In 2002, Cao started learning the art from cross-talk actor Guo Degang, who is credited with "popularizing the old art form among young audiences".

Speaking about his early days, Cao says: "I grew up in Tianjin, which was the city where xiangsheng became prosperous. And I like imitating masters such as Ma Sanli and Hou Baolin."

Typically, apprenticeships are at the core of training young xiangsheng actors, with the master passing down his techniques.

So, the apprentice usually lives in the master's house to learn the skills before he can perform and make a living on his own.

When Cao was an apprentice he used to wake up at 5 am to do voice practice, followed by reading and reciting traditional xiangsheng pieces, until midnight.

Besides, he also learned Peking Opera as lots of xiangsheng pieces involve Peking Opera stories and singing.

In 2006, Cao made his stage debut in Beijing, and became an instant success. Then, in 2010, he left Deyunshe－Guo's troupe－and launched his own troupe besides moving into other fields.

Speaking about that period in his life, he says: "I can still recall that I gave four shows a day for a whole year only taking a break once a week. Those acting experiences are valuable memories and treasures. I really miss those days."

Meanwhile, he admits that like many other traditional art forms, xiangsheng is facing decline. One of the main problems, he says, is the lack of original works.

"Xiangsheng and rock music are similar as both are about expressing attitude and talking about social problems. It's really hard to write a piece which can be called a classic. It takes time, sharp observation and solitude," he says.

If you go

7:30 pm, Jan 28. Poly Theater, 14 Dongzhimen Nandajie, Dongcheng district, Beijing. 400-600-4100.