Prince Sihanouk to study the art and technique of European Music. After graduating excellently from the Franz-Liszt University in the field of Cello, he became one of the founders of the legendary music group BAYON. He early developed his unique style of playing combining the Khmer-Pentatonic whit elements of Classic, Jazz and Rock.
Firstly as Bayon-Member, and from the late 80s on also in other musical constellations, he took part in numerous large-scaled projects and theatre productions. Aside from his own recordings on LPs and CDs, Sonny Thet has been frequently asked to compose, perform and record by the order of radio, film and television. His solo performances had led him to numerous places of cultural interest all over Europe and the United States.