American gamelan music. Lou Harrison and William Colvig, who met in 1967 in San Francisco, built a set of tuned percussion instruments that they called "an American gamelan" in order to differentiate it from Indonesian ensembles. It was first used in Harrison's work "La Koro Sutro" in 1972. These are now referred to as "Old Granddad", and Harrison wrote some pieces that can only be played on this set, including "La Koro Sutro". Lou Harrison spent some time with a Javanese gamelan in 1976 (when Kyai Udan Mas, now at the University of California, Berkeley, was in residence at San Jose State
Gamelan outside Indonesia instruction by a community arts organization, which gave its first performance in May 1978. The organization incorporated in 1980 as Friends of the Gamelan and continues to perform with two central Javanese gamelan sets that it has acquired. Many schools, universities and other institutions in North America own sets of gamelan instruments. These gamelans are typically played by mixed-gender groups of students, a practice that is rare in Indonesia for religious reasons. Among the earliest such groups were Wesleyan University and UCLA. Established institutional gamelan ensembles in the U.S. include Gamelan Nyai Saraswati at University of North Carolina at Chapel