of Thai classical dance drama are Khon and Lakhon nai. In the beginning, both were exclusively court entertainments and it was not until much later that a popular style of dance theatre, likay, evolved as a diversion for common folk who had no access to royal performances. Folk dance forms include dance theater forms like likay, numerous regional dances (ram), the ritual dance ram muay, and homage to the teacher, wai khru. Both ram muay and wai khru take place before all traditional muay Thai matches. The wai is also an annual ceremony performed by Thai classical dance groups to honor their artistic ancestors. Thai classical music is synonymous with those stylized court ensembles and repertoires that emerged in their present form within the royal centers of Central Thailand some 800 years ago. These ensembles, while being influenced by older practices are today uniquely Thai expressions. While the three primary classical ensembles, the Piphat, Khrueang sai and Mahori differ in significant ways, they all share a basic instrumentation and theoretical approach. Each employs small ching hand cymbals and krap wooden sticks to mark the primary beat reference. Thai classical music has had a wide influence on the musical traditions of neighboring countries. The traditional music of Myanmar was strongly influenced by the Thai music repertoire, called Yodaya (ယိုးဒယား), which was brought over from the Ayutthaya Kingdom. As Siam expanded its political and cultural influence to Laos and Cambodia during the early Rattanakosin period, its music was quickly absorbed by the Cambodia and Lao courts. Entertainment Thai films are exported and exhibited in Southeast Asia. Thai cinema has developed its own unique identity and now being internationally recognized for their culture-driven. Films such as Ong-Bak: Muay Thai Warrior (2003) and Tom-Yum-Goong (2005), starring Tony Jaa, feature distinctive aspects of Thai martial arts "Muay Thai". Thai horror has always had a significant cult following, with a unique take on tales from beyond the grave. More recently, horror films such as Shutter (2004), was one of the best-known Thai horror movies and recognized worldwide. Other examples include The Unseeable (2006), Alone (2007), Body (2007), Coming Soon (2008), 4bia (2008), Phobia 2 (2009), Ladda Land (2011), Pee Mak (2013), The Promise (2017), and The Medium (2021). The Thai heist thriller film Bad Genius (2017) was one of the most internationally successful Thai films; it broke Thai film earning records in several Asian countries, Bad