Xylophone

, a Philippine xylophone]] The instrument has obscure ancient origins. Nettl proposed that it originated in southeast Asia and came to Africa c. AD 500 when a group of Austronesian speaking peoples migrated to Africa, and compared East African xylophone orchestras and Javanese and Balinese gamelan orchestras. This hypothesis was challenged by ethnomusicologist and linguist Roger Blench, who posits an independent origin of the xylophone in Africa, citing, among the evidence for local invention, distinct features of African xylophones and the greater variety of xylophone types and proto-xylophone-like instruments in Africa.

The modern western xylophone has bars of rosewood, padauk, cocobolo, or various synthetic materials such as fiberglass or fiberglass-reinforced plastic which allows a louder sound. Some can be as small a range as octaves but concert xylophones are typically or 4 octaves. Like the glockenspiel, the xylophone is a transposing instrument: its parts are written one octave below the sounding notes.Concert xylophones have tube resonators below the bars to enhance the tone and sustain. Frames are made of wood or cheap steel tubing: more expensive xylophones feature height adjustment and more stability in the stand. In other music cultures some versions have gourds Old methods consisted of…