The document classifies traditional Thai musical instruments into four categories:
1. Idiophones include the ranat thum metallophone, khawng wong lek circular gong frame, and khawng wong yai larger circular gong frame.
2. Membranophones such as the taphon double-headed drum, ramna shallow drum, and thon bowl-shaped ceramic drum.
3. Chordophones like the jakhae crocodile-shaped string instrument and saw sam sai triangular string instrument made of coconut shells.
4. Aerophones including the pi wind instrument and khaen bamboo pipe ensemble from Northern Thailand.
2. Classification of Thais Musical Instruments A. Idiophones 1 . Ranat Thum – a box shaped metallophone that is placed on the floor & played while sitting, has two and a half octaves that is struck by a padded mallet
3. 2. Khawng Wong Lek – a set of gong circles with low pitches that are an octave lower than tha Khawng wong yai composed of 18 knobbed bronze pot –gongs placed in a circular wooden frame.
4. 3. Khawng wong yai – also a circle of gongs and is the largest sets of gongs composed of 16 knobbed bronze pot –gongs placed in a circular wooden frame.
5. 4. Ching chap - set of percussion instruments like a pair of cymbals made out of a thick metal shaped like a tea cup.
6. B. Membranophones 1. Taphon – a drum placed on a stand. It is played with both hands using the palm and the fingers.
7. 2. Ramana – a shallow drum that looks like a tambourine without the metallic discs the diameter of its head is bigger than its body. 3. Thon – a bowl shaped ceramic drum that is used in the mahori ensemble.
8. C. Chordophones 1. Jakhae or jakhe – is shaped like a crocodile, body is big and hollow in order to resonate the sound of the instrument better. Thailand’s most important stringed instrument with the most beautiful sound.
9. 3. Saw sam sai – a triangular shape with a spiked leg. Its body is made of coconut shells and calf skin, has 3 strings and no frets. The pitch depends on the size of the coconut shell.
10. D. Aerophones 1. Pi – a wind instrument, the sound it produces and the blowing technique is unique to Thailand.
11. 2. Khaen – most important folk instrument in North Thailand. Made up of 14 long thin bamboo tubes that are 4 ft long, covers 2 octaves of seven pitches.