He began his musical career working in night clubs and later joined one of the Thai bands of that era, "Grand X" (1976–1980).
His debut album was in 1982, Nok Jao Pho Bin (Soaring Bird).
He is inspired by his beliefs in Buddhism, and began composing music for relaxation, healing and meditation in 1993.
Of Chinese heritage, Chamras trained to be an engineer, graduating from Chulalongkorn University.
[2] 1986: Nam-sor-sai 1987: Nang-nuan (also won The Best Music from 32nd Asia-Pacific Film Festival, 1987, Taipei) 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