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 seven notes to the octave, with uneven intervals, usually played in five note subsets of the seven-tone collection. A full gamelan will include a set of instruments in each tuning, and classically only one tuning is used at a time. The precise tuning used differs from ensemble to ensemble, and gives each ensemble its own particular flavour. A set of gamelan instruments will be tuned to the same set of notes, but the tuning will vary from one gamelan to the next, including variations in the size of intervals. Colin McPhee , a Canadian composer who spent much time in