Career
He began his musical career working in night clubs and later joined one of the Thai bands of that era, "Grand X" (1976–1980). In 1981, he began composing music and started his own band, "The Radio". His debut album was in 1982, Nok Jao Pho Bin ().
Between 1986 and 1997, he composed theme songs for over 100 Thai movies.
Chamras was born in Bangkok, Thailand on December 9, 1955. Of Chinese heritage, Chamras trained to be an engineer, graduating from Chulalongkorn University.
While studying at the university, he worked in restaurants and nightclubs as a musician. He has never received formal training in music, but chose it as a career over engineering.
Chamras has composed more than a thousand songs, of which about a hundred have been used as theme songs in movies.
1986: Nam-sor-sai 1990: Puk-pui 1991: Pieng-rao-mee-rao 1992: Fak-fun-wai-diew-jar-liew-ma-aw 1993: Na-sud-khob-fah 1994: Fun-tid-fai-hua-jai-tid-din.