Renowned South Korean balladeer Sung Si-kyung has officially released his first original duet track titled 'HEAVEN KNOWS' in collaboration with Indonesian singer-songwriter Raisa. The song, which carries themes of love, hope, and destiny, was released across major online music platforms on the 19th at 6 PM. This collaborative project marks a significant musical intersection, with Raisa challenging herself to sing in Korean for the first time, while Sung Si-kyung performed his parts in English to bridge the cultural gap between the two nations. | Renowned South Korean balladeer Sung Si-kyung has officially released his first original duet track titled 'HEAVEN KNOWS' in collaboration with Indonesian singer-songwriter Raisa. The song, which carries themes of love, hope, and destiny, was released across major online music platforms on the 19th at 6 PM. This collaborative project marks a significant musical intersection, with Raisa challenging herself to sing in Korean for the first time, while Sung Si-kyung performed his parts in English to bridge the cultural gap between the two nations.