The traditional art of Chèo singing in Ninh Bình province has been known for a long time, associated with a legend of the origin of Chèo singing and its creator Lady Phạm Thị Trân. Up to now, more than one hundred ancient Chèo tunes have been preserved in Ninh Bình province. There are 64 clubs of Chèo in Yên Khánh district, most of them have preserved ancient Chèo tunes and also composed new ones the lyrics of which based on ancient tunes to reflect the actual life of the people.

“Bassac Theatre” Originally known as “Treung Khlok” Theatre, it originated in Kampuchea Krom Bassac District, Preah Trapeang Province (now under Vietnamese rule). Bassac troupe originally formed by the chief of Khsach Kandal pagoda (Kampuchea Krom) names of Sour and Lok Ta Cha Krun, as well as his students, Kru Kmoa, Kru Korn, and Kru Khla. During the 1930s, Lok Ta Cha Krun brought the Trung Khlok theatre to perform in Phnom Penh and other provinces along the Bassac River. The theatre also quickly gained popularity in Phnom Penh. At first, it was called "Theatre from Bassac District", then later abbreviated as "Bassac Theatre" and is still named today. Bassac theatre is performed in both speaking and singing and accompanied by the Bassac music. The theater genre is influenced by Chinese and Vietnamese operas. The female characters (princesses or goddesses) dress similarly to the characters in classical dance. The male characters (kings, gods, or giants) dress similarly to the male characters in Chinese or Vietnamese operas. But today, the male characters’ costume is also similar to the costumes of the actors in the classical dance, except that the giant characters still wear the same costume as before. The stage is often decorated with paintings of temples or artificial mountains. Bassac theatre often features artistic legends. Performances include sword fighting, stick fighting, or other martial arts or battle scenes. The songs are both traditional and modern. During the 1960s, the Bassac Theatre gained immense popularity. There were two famous characters that almost all Khmer people at that time knew until he was named the King and the Queen of Bassac, Lok Ta Saing Sarun and Lok Year Chek Mach. Nowadays, Bassac is included in the curriculum of the Secondary School of Fine Arts. Famous Bassac theatre teachers who have passed away, including Lok Ta Saing Sarun, Lok Year Chek Mach, Mrs. Un Wang, Mr. Sous Kanan, Ouk Si Phally, John (Battambang), Tapov, Tork Khmao, Em Samphon and Kru nhoun (Outstanding Tror musician).