Nepali folk singer and musician Khem Raj Gurung, who was best known for his hit song "Wari Jamuna Pari Jamuna," died on Thursday at Medicare National Hospital and Research Centre.Gurung was suffering from jaundice and other liver-related ailments and was being treated in the Intensive Care Unit (ICU) of the hospital with special care for past 11 days, said Ratna Gurung, nephew of the singer told the Rastriya Samachar Samiti.