Gamelan notation ladder-like vertical staff allowed notation of the balungan by dots and also included important drum strokes. "Kepatihan" is widely used in ethnomusicological studies of the gamelan, sometimes accompanied by transcriptions into Western staff notation with approximate mapping of slendro and pelog tuning systems of gamelan onto the western staff, with and without various symbols for microtones. The relative merits of "kepatihan" and staff notation are sometimes debated, but staff notation is essentially incompatible with the 'end-weighted' nature of melodic structures in Indonesian music. In this respect, "kepatihan" is more suitable, although the usage of overscores (taken from the Galin-Paris-Chevé system)
Gamelan common in national arts conservatories founded in the middle of the 20th century. Gamelan's role in rituals is so important that there is a Javanese saying, "It is not official until the gong is hung". Some performances are associated with royalty, such as visits by the sultan of Yogyakarta. Certain gamelans are associated with specific rituals, such as the "Gamelan Sekaten", which is used in celebration of "Mawlid an-Nabi" (Muhammad's birthday). In Bali, almost all religious rituals include gamelan performance. Gamelan is also used in the ceremonies of the Catholic church in Indonesia. Certain pieces are designated for starting and