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 interference beats are meant to give the listener a feeling of a god's presence or a stepping stone to a meditative state. The scale roughly approximates that of the phrygian mode of the Western major scale (E-E on the white keys of the piano), with the notes EFGBC corresponding to the note positions 12356 in the "slendro" scale used by most gamelan. As well as the non-western octave and the use of beats, Javanese gamelan uses a combination of tempo and density known as "Irama", relating how many beats on the "saron panerus" instrument there are to notes in the