The ensembles include flutes, zithers, gongs, drums, fiddles, lutes, cymbals and xylophones. Some conjecture that African lamellophones were derived from xylophones and marimbas. Ludwig acquired the "Musser Mallet Company", a manufacturer of xylophones, marimbas and vibraphones, in 1965. The mallets include both marching xylophones and bells. Balinese instruments include bronze and bamboo xylophones. Various instruments featured on the album include acoustic guitars, violins and xylophones. Java and Bali use xylophones (called gambang, Rindik and Tingklik) in gamelan ensembles. Ngoni (lutes) and balafon (xylophones) are also common. With this success, the company looked into the production of pianos, harmonicas, and xylophones. Instruments it is used to play include snare drums and xylophones. Other jujus include groups that dance to drums and xylophones. It has no gourd resonators or buzzing tone, two characteristics of many other African xylophones. Arumba refers to a set of diatonically tuned bamboo xylophones, often played by women. Balinese and Javanese music made use of xylophones and metallophones, bronze versions of the former. Diatonic xylophones were introduced to Central America in the 16th or 17th century.