Thailand: Members of a lakhon (traditional Thai drama) troupe during a performance break check their social media accounts; the background shows a frieze depicting historical scenes. Santichaiprakarn Park, Banglamphoo, Bangkok. Lakhon nai is a performing art originating in the royal court of Thailand (formerly Siam). It features a slow choreography accompanied by a piphat ensemble (traditional musical group). A variation of this genre with male performers is called lakhon nai phu chai.