version of gongs hung in semicircular track 1 khong mong 1 ranat ek - treble xylophone 1 ranat thum - bass xylophone Piphat khrueang yai Wong piphat khrueang yai (, ) is arranged by adding ranat ek lek (ระนาดเอกเหล็ก; treble metallophone) and ranat thum lek (ระนาดทุ้มเหล็ก; bass metallophone) to the wong piphat khrueang khu. Piphat nang hong Wong piphat nang hong (, ) is an ensemble used in funerals. It is arranged by replacing the pi nai and pi nok with a pi chawa. The name nang hong comes from name of its main music, which is intended for funeral ceremonies. A royal variant for Thai royal funerals, Wong piphat nang hong khruang yai (for the King) or Wong piphat nang hong khrueang khu (for senior members of the Royal Family), introduced during the reign of King Vajiravudh (Rama VI) for use in royal funerals of the Chakri Dynasty, was reinstated during the reign of King Bhumibol Adulyadej (Rama IX) in 1995, during the state funeral rites for Srinagarindra, the Princess Mother, upon the initiative of Princess Maha Chakri Sirindhorn, the Princess Royal, after years of absence. If playing for the king, the royal funeral ensemble has 10 to 12 instruments played, a few more than the simple ensemble, for senior members 8 to 9 instruments are used. In some funerals in Thailand the nang hong variant ensemble is supplemented by Western instruments like trumpets, saxophones, clarinets and even a drum kit, guitars and an electric piano. Some of these have also appeared in the normal ensembles. Piphat duek dam ban Wong piphat duek dam ban (, , literally "ancient ensemble") was proposed by Prince Naris. It consists of: 1 ranat ek 1 taphon 1 ranat thum 1 ranat thum lek 1 khong wong yai 1 ching 1 taphon - "tympani" made by using two taphons arranged together. 1 saw u 1 khlui u - bass flute 1 khlui phiang aw - medium 1 wong khong chai - a set of 7 khong chai with different size hung on wooden bar. Piphat mon The piphat mon is believed to derive from the Mon people, an ancient Mon-Khmer-speaking people of mainland Southeast Asia, and uses special instruments such as an upright gong circle called khong mon. Wong piphat mon (, ) has three sizes: Piphat mon khrueang ha Wong piphat mon khrueang ha (, ) consists of: 1 ranat ek 1