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 Java and brought to Vancouver in 1990 and resides at the Western Front Artist Center. Both Vancouver-based ensembles are regularly used in performances by the Vancouver Community Gamelan. There are over eighty gamelans (as of 2002) of various kinds in the United Kingdom, many of them based at colleges or community centres. University of York was the first British university to purchase a gamelan, named Kyai Sekar Patak; it is still played by students there. The oldest community Gamelan group in the UK is the Oxford Gamelan Society, which plays Kyai Madu Laras, donated to the University of Oxford's Bate