Campur sari is Javanese pop music. While dangdut has some traditional themes, campur sari has more of it and is less influenced by Middle Eastern music. It also seems to me a bit more laid back than dangdut.
Didi Kempot started his career as a busker and was discovered. A true rags to riches story.
As you can see from the subtitles, the song is about a guy who’s girl has to leave him at this Balapan Station, Solo. You don’t get more Javanese than Solo. Anyhow, you can read the lyrics for yourself. Feel free to sing along.
Here’s a remix version. I prefer the dancers in this one: