Langgam Jawa or Tembang Jawa There is a style of kroncong native to Surakarta (Solo) called langgam jawa, which fuses kroncong with the gamelan seven-note scale.
Gambang Kromong Early in the 20th century, kroncong was used in a type of theatre called Komedi Stambul; adapted for this purpose, the music was called gambang kromong.