Gamelan music. American folk guitarist John Fahey included elements of gamelan in many of his late-1960s sound collages, and again in his 1997 collaboration with Cul de Sac, "The Epiphany of Glenn Jones." Influenced by gamelan, Robert Fripp and Adrian Belew used rhythmically interlocking guitars in their duets with each other in the 1981–1984 trilogy of albums ("Discipline", "Beat", "Three of a Perfect Pair") by rock band King Crimson and with "The League of Crafty Guitarists". The gamelan has also been used by British multi-instrumentalist Mike Oldfield at least three times, "Woodhenge" (1979), "The Wind Chimes (Part II)" (1987) and "Nightshade"
Gamelan in present-day Central Java are shown below: Varieties of gamelan are distinguished by their collection of instruments and use of voice, tunings, repertoire, style, and cultural context. In general, no two gamelan ensembles are the same, and those that arose in prestigious courts are often considered to have their own style and tuning. Certain styles may also be shared by nearby ensembles, leading to a regional style. The varieties are generally grouped geographically, with the principal division between the styles favored by the Balinese, Javanese, and Sundanese peoples. The Madurese also had their own style of gamelan, although it is