American gamelan materials including aluminum, tin cans, car hubcaps, steel, antique milk-strainers, etc. "American gamelan" may also describe the original music of American ensembles working with traditional instruments. Dennis Murphy is often credited as being the first American to build instruments modeled on those of the Javanese gamelan, circa 1960. This work led to his doctoral thesis at Wesleyan University, entitled "The Autochthonous American Gamelan". Murphy started a gamelan group with his instruments at Goddard College in Vermont in 1967; that group later became the community-based Plainfield Village Gamelan. There have been other American builders of gamelan as well, on both the
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