Gamelan ending performances or ceremonies. When an "ending" piece (such as "Udan Mas") is begun, the audience will know that the event is nearly finished and will begin to leave. Certain pieces are also believed to possess magic powers, and can be used to ward off evil spirits. Gamelan is frequently played on the radio. For example, the "Pura Pakualaman" gamelan performs live on the radio every "Minggu Pon" (a day in the 35-day cycle of the Javanese calendar). In major towns, the Radio Republik Indonesia employs professional musicians and actors, and broadcast programs of a wide variety of gamelan music
Gamelan Sekaten are "Kyai Guntur Madu" and "Kyai Guntur Sari". According to Benjamin Brinner, the "gamelan sekaten", exists in halves: divided between the two rival courts in Surakarta and Yogyakorta, each court had a matching second half made. The pitches of the "Sekaten" ensemble is in "pelog", but lower than standard ensembles today. According to Benjamin Brinner it is the lowest pitched, largest, and loudest ensemble in Java. In recent times the gamelan at ISI Surakarta commissioned a special "Sekaten" set that would be compatible with their other gamelan, to be used in new experimental compositions. Historically, the "Sekaten" ensemble is notable