NTS aired an episode dedicated to the music of Waldjinah on 4 June 2021. Waldjinah has been played over 10 times on NTS, first on 4 June 2021. Waldjinah's music has been featured on 4 episodes.

Waldjinah (b. Solo, 7 November 1945) is an Indonesian Javanese keroncong singer. She is known as the "Queen of Keroncong" for her distinctive, melodious voice. Known by her works on songs by Indonesian composers Gesang and Ismail Marzuki, perhaps her most well-known work is the rendition of Gesang's Bengawan Solo.