Gamelan is the traditional ensemble music of the Javanese, Sundanese, and Balinese peoples of Indonesia, made up predominantly of percussive instruments. The most common instruments used are metallophones and a set of hand-drums called kendang, which keep the beat. The kemanak, a banana-shaped idiophone, and the gangsa, another metallophone, are also commonly used gamelan instruments on Bali. Other notable instruments include xylophones, bamboo flutes, a bowed string instrument called a rebab, and a zither-like instrument called a siter, used in Javanese gamelan. Additionally, vocalists may be featured, being referred to as sindhen for females or gerong for males.
Pelog is one of the essential tuning systems used in gamelan instruments that has a heptatonic scale. The other, older, scale commonly used is called slendro. Pelog has seven notes, but many gamelan ensembles only have keys for five of the pitches. Even in ensembles that have all seven notes, many pieces only use a subset of five notes, sometimes the additional 4th tone is also used in a piece like western accidentals.
Slendro is one of the essential tuning systems used in gamelan instruments that have pentatonic scale. Based on Javanese mythology, the Slendro Gamelan tuning system is older than the pélog tuning system.
Gamelan surakarta A typical large, double gamelan in contemporary solo (Surakarta) will include, in the sléndro set, one saron panerus, two saron barung, one or two saron demung, one gendér panerus, one gender barung, one slenthem, one bonang panerus and one bonang barung, one gambang kayu, one siter or celempung, one rebab, one suling, one pair of kethuk and kempyang, one set of three to five kenong, one set of three to five kempul, one to three gong suwukan, and one gong ageng.
American gamelan could refer to both instruments and music; the term has been used to refer to gamelan-style instruments built by Americans, as well as to music written by American composers to be played on gamelan instruments. American gamelan music usually has some relationship to the gamelan traditions of Indonesia, as found primarily on the islands of Java and Bali in a variety of styles. Many American compositions can be played on Indonesian or American-made instruments. Indonesian gamelan can be made of a variety of materials, including bronze, iron, or bamboo. American gamelan builders used all sorts of materials including aluminum, tin cans, car hubcaps, steel, antique milk-strainers, etc. American gamelan may also describe the original music of American ensembles working with traditional instruments.
The angklung is a musical instrument from the Sundanese in Indonesia that is made of a varying number of bamboo tubes attached to a bamboo frame. The tubes are carved to produce a resonant pitch when struck and are tuned to octaves, similar to Western handbells. The base of the frame is held in one hand, while the other hand shakes the instrument, causing a repeating note to sound. Each performer in an angklung ensemble is typically responsible for just one pitch, sounding their individual angklung at the appropriate times to produce complete melodies.
A gamelan gadhon is an ensemble consisting of the 'soft' instruments of the Javanese gamelan. This can include rebab, gendér, gendér panerus, voice, slenthem, suling, siter, gong, kempul, kenong and kendhang.
The rebab is the name of several related string instruments that independently spread via Islamic trading routes over much of North Africa, Middle East, Central Asia, Southeast Asia, and parts of Europe. The instrument is typically bowed, but is sometimes plucked. It is one of the earliest known bowed instruments, named no later than the 8th century, and is the parent of many bowed and stringed instruments.
A gangsa is a type of metallophone which is used mainly in Balinese and Javanese Gamelan music in Indonesia. In Balinese gong kebyar styles, there are two types of gangsa typically used: the smaller, higher pitched kantilan and the larger pemade. Each instrument consists of several tuned metal bars each placed over an individual resonator. The bars are hit with a wooden panggul, each producing a different pitch. Duration of sound intensity and sound quality factors are generally accomplished by damping the vibration of the bar with the fingers of the free hand. Balinese gong kebyar gangsas, as with other metallophones in gong kebyar ensembles, are played in neighboring pairs with interlocking, rapid-tempo parts that elaborate on the melody of a piece of music ; these pairs are tuned to be dissonant and create certain wavelengths of sympathetic vibrations to create a shimmering tone that travels long distances. The gangsa is very similar to the old gendér and the saron.
A gendèr is a type of metallophone used in Balinese and Javanese gamelan music. It consists of 10 to 14 tuned metal bars suspended over a tuned resonator of bamboo or metal, which are tapped with a mallet made of wooden disks (Bali) or a padded wooden disk (Java). Each key is a note of a different pitch, often extending a little more than two octaves. There are five notes per octave, so in the seven-note pélog scale, some pitches are left out according to the pathet. Most gamelans include three gendèr, one for sléndro, one for pelog pathet nem and lima, and one for pelog pathet barang.
A kempul is a type of hanging gong used in Indonesian gamelan. The kempul is a set of pitched, hanging, knobbed gongs, often made of bronze, wood, and cords. Ranging from 19 cm to 25,4 cm in diameter, the kempul gong has a flat surface with a protruding knob at the center and is played by hitting the knob with the "soft end of a mallet." "The wooden mallet used has a ball shape head with heavy padding on a short wooden handle. The number of kempul gongs present in a gamelan ensemble varies but, "although there can be two to ten kempul on one separate rack, it is common to have five kempul hanging on the same rack as the Gong ageng and gong siyem".
The slenthem is an Indonesian metallophone which makes up part of a Javanese gamelan orchestra. The slenthem is part of the gendér family. It consists of a set of bronze keys comprising a single octave: there are six keys when playing the slendro scale and seven when playing the pelog. These keys are suspended by leather cords over individual bamboo tube resonators in a wooden frame, which are cut so that the placement of the bamboo's node causes the functional length of the resonator to be shorter for higher notes. The instrument is played by striking the keys with a mallet, called a tabuh, which has a short handle and a thin wooden disk edged in cloth or rubber. One hand is left free to dampen notes. It is a low-pitched instrument with a softer sound than the saron demung.
The gong ageng is an Indonesian musical instrument used in the Javanese gamelan. It is the largest of the bronze gongs in the Javanese and Balinese gamelan orchestra and the only large gong that is called gong in Javanese. Unlike the more famous Chinese or Turkish tam-tams, Indonesian gongs have fixed, focused pitch, and are dissimilar to the familiar puke crash cymbal sound. It is circular, with a conical, tapering base of diameter smaller than gong face, with a protruding polished boss where it is struck by a padded mallet. Gongs with diameter as large as 135 centimeters have been created in the past, but gongs larger than about 80 centimeters are more common especially to suit the budget of educational institutions.
The bonang is an Indonesian musical instrument used in the Javanese gamelan. It is a collection of small gongs placed horizontally onto strings in a wooden frame (rancak), 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 ones have an arched one. Each is tuned to a specific pitch in the appropriate scale; thus there are different bonang for pelog and slendro. They are typically hit with padded sticks (tabuh). This is similar to the other cradled gongs in the gamelan, the kethuk, kempyang, and kenong. Bonang may be made of forged bronze, welded and cold-hammered iron, or a combination of metals. In addition to the gong-shaped form of kettles, economical bonang made of hammered iron or brass plates with raised bosses are often found in village gamelan, in Suriname-style gamelan, and in some American gamelan. In central Javanese gamelan there are three types of bonang used:
Colotomy is an Indonesian description of the rhythmic and metric patterns of gamelan music. It refers to the use of specific instruments to mark off nested time intervals, or the process of dividing rhythmic time into such nested cycles. In the gamelan, this is usually done by gongs of various size: the kempyang, ketuk, kempul, kenong, gong suwukan, and gong ageng. The fast-playing instruments, kempyang and ketuk, keep a regular beat. The larger gongs group together these hits into larger groupings, playing once per each grouping. The largest gong, the gong ageng, represents the largest time cycle and generally indicates that that section will be repeated, or the piece will move on to a new section.
The siter and celempung are plucked string instruments used in Javanese gamelan. They are related to the kacapi used in Sundanese gamelan.
Notation plays a relatively minor role in the oral traditions of Indonesian gamelan but, in Java and Bali, several systems of gamelan notation were devised beginning at the end of the 19th century, initially for archival purposes.
Pathet is an organizing concept in central Javanese gamelan music in Indonesia. It is a system of tonal hierarchies in which some notes are emphasized more than others. The word means '"to damp, or to restrain from" in Javanese. Pathet is "a limitation on the player's choice of variation, so that while in one pathet a certain note may be prominent, in another it must be avoided, or used only for special effect. Awareness of such limitations, and exploration of variation within them reflects a basic philosophical aim of gamelan music, and indeed all art in central Java, namely, the restraint and refinement of one's own behaviour." Javanese often give poetic explanations of pathet, such as "Pathet is the couch or bed of a melody." In essence, a pathet indicates which notes are stressed in the melody, especially at the end of phrases (seleh), as well as determines which elaborations are appropriate. In many cases, however, pieces are seen as in a mixture of pathets, and the reality is often more complicated than the generalizations indicated here, and depend on the particular composition and style.
Kroncong is the name of a ukulele-like instrument and an Indonesian musical style that typically makes use of the kroncong. A kroncong orchestra or ensemble traditionally consists of a flute, a violin, at least one, but usually a pair of kroncongs, a cello in Pizzicato style, string bass in pizzicato style, and a vocalist. Kroncong originated as an adaptation of a Portuguese musical tradition, brought by sailors to Indonesian port cities in the 16th century. By the late 19th century, kroncong reached popular music status throughout the Indonesian archipelago.
Gamelan Munggang are considered among the most ancient gamelans of the kraton (courts) of central Java. The ensemble of instruments consists of gong ageng, kempul, kendang and horizontal gong chimes tuned to three pitches. Very low in absolute pitch, each ensemble consists of two types: pelog and slendro. There is a repertory of several repetitive pieces, the best known permutation being high-middle-high-low. It is theorized that pelog was derived from the three note munggang scale. The origin of the munggang ensembles themselves are described in Javanese myths, however the first one may have been imported to Indonesia in the first century CE, with the first ensemble constructed by the Javanese made in the 4th century.
