Sinn Sisamouth (Khmer:???????????? [sin sisamut]; 23 August 1932 -- 18 June 1976) was a famous and highly prolific Cambodian singer-songwriter in the .\rbr\rbr\rbr\rbr\rbr\rbrSinn Sisamouth (Khmer: ស៊ីន ស៊ីសាមុត [sɨn siːsaːmut]; 23 August 1932 -- 18 June 1976) was a famous and highly prolific Cambodian .