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 Sekaten are "Kyai Guntur Madu" and "Kyai Guntur Sari". According to Benjamin Brinner, the "gamelan sekaten", exists in halves: divided between the two rival courts in Surakarta and Yogyakorta, each court had a matching second half made. The pitches of the "Sekaten" ensemble is in "pelog", but lower than standard ensembles today. According to Benjamin Brinner it is the lowest pitched, largest, and loudest ensemble in Java. In recent times the gamelan at ISI Surakarta commissioned a special "Sekaten" set that would be compatible with their other gamelan, to be used in new experimental compositions. Historically, the "Sekaten" ensemble is notable