Name: Bonang (https://en.wikipedia.org/wiki/Bonang) an instrument that is used in Javanese gamelan.   

A type of idiophone.
*Wikidata item: *Q892076 (https://www.wikidata.org/wiki/Q892076)

External links:

http://www.instrumentsoftheworld.com/instrument/14-Bonang.html

https://omeka1.grinnell.edu/MusicalInstruments/items/show/89

Disambiguation: a collection of small gongs placed onto strings in a wooden frame

There are 3 types of bonang:

• Bonang panerus
  • Highest pitch
  • Uses the smallest gongs
  • Normally covers two octaves
  • Plays the fastest rhythms of the bonang
• Bonang barung
  • One octave below the bonang panerus
  • Normally covers two octaves
  • One of the most important instruments in the ensemble because it gives cues for other players 
• Bonang panembung
  • Lowest pitch
  • Mmore common in Yogyvanese style gamelan

*Description: *Higher pitched gongs have an arched head and lower pitched gongs have a flattened head. It is hit with two tabuh (padded stick) and is typically made out of bronze.