Hajjah Hetty Koes Endang is an Indonesian kroncong singer. Her 1977 duet with Ajie Bandi, "Damai Tapi Gersang", was the first Indonesian song to win the World Popular Song Festival in Tokyo. Indonesian singer who is considered an icon in the traditional Indonesian genre of music known as kroncong. Her song "Damai Tapi Gersang" became the first Indonesian song to win the World Popular Song Festival and was named on the best Indonesian songs of all time by Rolling Stone. She debuted in 1974 and placed second at the Indonesian Popular Song Festival two years later.