There are two kinds of traditional music: one is the Pin Peath with stringed and percussion instruments and the other the Mohory with only stringed instruments. The different instruments are: Pin Peath is a group of instruments which have Roneath (xylophone in metal or bamboo), Kong (percussion instrument surrounding the player), a pear of Skor Thom (a very big drum, which has two faces, for making the rhythm), Sampho (a big drum,which has two faces, for making the rhythm), Sro Lai (a big recorder),Chhoeng (percussion instrument hitting each other for making rhythm).
This kind of music is used to accompany dances, praying to God or spirit and other ceremonies. Mohory is a group of instruments, which have Khoem (with 35 horizontal strings instrument), Ta Khe (with 3 horizontal strings instrument), Tro (with vertical strings instrument), Skor Dai (a small drum for making rhythm), Khloy (recorder) and Chhoeng.
This kind of music is used to accompany dance, theatre, wedding and other ceremonies. There are 4 to 6 % of children attend these courses and they start learning all the traditional Khmer instruments, and choose one they prefer to form the group.