Gamelan Degung is a Sundanese

Sundanese people

The Sundanese are an ethnic group native to the western part of the Indonesian island of Java. They number approximately 31 million, and are the second most populous of all the nation's ethncities. The Sundanese are predominantly Muslim...

 musical ensemble

Musical ensemble

A musical ensemble is a group of people who perform instrumental or vocal music. In classical music, trios or quartets either blend the sounds of musical instrument families or group together instruments from the same instrument family, such as string ensembles or wind ensembles...

 that uses a subset of modified gamelan

Gamelan

A gamelan is a musical ensemble from Indonesia, typically from the islands of Bali or Java, featuring a variety of instruments such as metallophones, xylophones, drums and gongs; bamboo flutes, bowed and plucked strings. Vocalists may also be included....

 instruments with a particular mode of pelog

Pelog

Pelog is one of the two essential scales of gamelan music native to Bali and Java, in Indonesia. The other scale commonly used is called slendro. Pelog has seven notes, but many gamelan ensembles only have keys for five of the pitches...

 scale.

Instruments

The instrumentation of gamelan degung is quite flexible. It may include:

• Bonang
  Bonang
  The bonang is a musical instrument used in the Javanese gamelan. It is a collection of small gongs placed horizontally onto strings in a wooden frame , either one or two rows wide. All of the kettles have a central boss, but around it the lower-pitched ones have a flattened head, while the higher...
  
  /kolènang: two rows of seven small bulbous gongs. It differs from its Javanese counterpart in that the rows are each placed on either side of the player.
• Saron
  Saron (instrument)
  The saron is a musical instrument of Indonesia, which is used in the gamelan. It typically consists of seven bronze bars placed on top of a resonating frame . It is usually about 20 cm high, and is played on the floor by a seated performer...
  
  /peking: a high-pitched bronze metallophone with fourteen keys.
• Panerus
  Saron
  Saron may mean:* Saron, Western Cape, a town in South Africa* Saron a village of Santa Maria de Cayón Municipalitie.* Saron, a mythical king who gave his name to the Saronic Gulf* A Biblical name also written as Sharon...
  
  : another bronze metallophone, similar to the peking but pitched an octave lower.
• Jengglong: six bulbous gongs suspended from the same frame.
• Goong ageung
  Gong ageng
  The gong ageng is . It is the largest of the bronze gongs in the Javanese and Balinese gamelan orchestra...
  
  : a large gong.
• A set of kendang
  Kendang
  Kendhang is a two-headed drum used by peoples from Maritime Southeast Asia....
  
  , consisting of one large and two small double-sided drums.
• Suling
  Suling
  A suling or Seruling is an Indonesian bamboo ring flute. It is used in gamelan ensembles.Depending on the regional genre, a suling can be tuned into different scales...
  
   degung: a four-holed bamboo flute.
• Gambang
  Gambang
  A gambang, properly called a gambang kayu is a xylophone-like instrument used among peoples of Indonesia and the southern Philippines in gamelan and kulintang, with wooden bars as opposed to the metallic ones of the more typical metallophones in a gamelan...
  
  : a wooden xylophone.

In classical degung, the bonang serves as a conductor for the whole ensemble. Except in certain modern compositions, it is rarely absent.