Gamelan Debussy, also heard the Javanese gamelan play at the Paris Exposition of 1889. The repetitively hypnotic effects of the gamelan were incorporated into Satie's exotic Gnossienne set for piano. Direct homages to gamelan music are to be found in works for western instruments by John Cage, particularly his prepared piano pieces, Colin McPhee, Lou Harrison, Béla Bartók, Francis Poulenc, Olivier Messiaen, Pierre Boulez, Bronislaw Kaper and Benjamin Britten. In more recent times, American composers such as Henry Brant, Steve Reich, Philip Glass, Dennis Murphy, Loren Nerell, Michael Tenzer, Evan Ziporyn, Daniel James Wolf and Jody Diamond as well as Australian
Gamelan Bali, remarked, "Deviations in what is considered the same scale are so large that one might with reason state that there are as many scales as there are gamelans." This view is contested, however, by some teachers of gamelan, and there have been efforts to combine multiple ensembles and tuning structures into one gamelan to ease transportation at festival time. One such ensemble is gamelan "Manikasanti", which can play the repertoire of many different ensembles. Balinese gamelan instruments are built in pairs that are tuned slightly apart to produce interference beats, ideally at a consistent speed for all pairs of