We will present Keroncong song by some Indonesian talented singers Gesang and Tetty Supangat. The song Bengawan is very famous not only in Indonesia but also in other countries such as Japan. Bengawan Solo has been translated into several foreign languages, including English, Russian, Chinese and Japanese. The song was also used in one of the big screen movies in Japan. The song Bengawan Solo was composed by Gesang in 1940, when he was 23 years old. At the time, the young Gesang sat on the edge of Bengawan Solo. He admired for the river that inspired him to compose the song Bengawan Solo. Gesang needed about 6 months to complete it which then took him to the title as Maestro Keroncong Indonesia. The song Lamunan Kalbu is an original keroncong song which tells the story about the longing. The wind on the beach blowing slowly giving the deepest longing to someone . Staring to the blue sea remembered the past memory while sitting on the beach with the beloved one. It was a glance of the story of the song Lamunan Kalbu by Tetty Supangat, the keroncong singer who has a beautiful and melodious voice. In the Indonesian entertainment world, especially keroncong music, Tetty Supangat was quite wellknown. On several occasions she performed the keroncong songs with other Indonesian keroncong singers such as Tuti Maryati and Mamiek Marsudi.