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
American gamelan East and West coasts. Following Murphy's model was Barbara Benary, who built the instruments still used today for Gamelan Son of Lion. On the West coast, the airline industry made aluminum affordable, and this became the material of choice for several gamelan builders. Daniel Schmidt, a composer-builder, built an ensemble called "The Berkeley Gamelan" (independent of the University of California, Berkeley) as well as the set of instruments that would develop into Gamelan Pacifica in Seattle. Paul Dresher also used aluminum. Harrison worked with John Cage in the 40s on percussion compositions with found metal objects, resulting in alternate scaled