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Gamelan - Balinese Orchestra

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Gamelan BaliNo place on earth has as much music as Bali, or as many kinds. The reason for the plethora of musical forms is attributable to the limited interaction between the many villages. It is therefore due to geographical reasons. Not to mention the talents of the Balinese themselves.

The Balinese orchestra is called a GAMELAN. Strictly the word refers to the instruments, not the players. The Bali-Hindu religion requires the gamelan for the success of the thousands of ceremonies performed every year. There are more than two dozen distinct types of gamelan, each with their own traditions, repertoire and social or religious functions. The music is full of insistent rhythms and elegant patterns. There is hardly any improvisation.

The primary function of gamelan music, as with everything else in Bali, is to entertain the gods and deified ancestors at various ceremonies. There is music at temple ceremonies, weddings, cremations, family temple ceremonies and processions. The players rehearse frequently and memorize the music. There are also secular performances, and of course, many tourist performances too. Often the musicians have other jobs during the day and meet in the evening to practise or perform.


The mainly percussion instruments are played in unison:


These comprise a number of different sized instruments, metallophones that look like xylophones, called gangsas, which have bronze keys that are hit with little wooden hammers which causes bamboo resonators below the keys to vibrate. They may have four to 14 keys and are grouped in pairs. After the keys have been hit by the hammer in the right hand, the left hand immediately grasps the key to stop the sound merging in the next note.


There are a number of single fine bronze gongs, which are hit at intervals with a cloth-covered mallet, to divide up the composition.


These are small bronze cymbals, which add colour and excitement.


This is a long framed instrument holding about a dozen inverted bronze pots, having small knobs on top, bosses, which are hit with sticks by four players sitting alongside, each player being responsible for his own section.


Sometimes there is a second similar instrument, called a trompong, which is played by only one person, whose arms need to be long; this, along with the suling and rebab, are the only instruments which improvise.


These are two sets of double-ended drums, held across the lap, lead the orchestra; in each pair, there is a higher pitched one, designated male and a lower-pitched one, female. The kendang is considered the most difficult instrument in the gamelan.


High pitched flutes, suling, are often part of the gamelan.


The rebab is an ancient two-stringed instrument like a violin.


Usually only five tones are used - a pentatonic scale. All the instruments have unchangeable pitches - except for the rebab. They are tuned when the instruments are made, which means they don't tune up before a performance. There is no universal norm for tuning - the tuner decides on his own, which means that each set of instruments has its own characteristic sound and stays together.

Every pair of instruments is tuned so that one is tuned slightly higher than the other one. When they are hit simultaneously, the difference in pitch, caused because the sound waves emerge at slightly different speeds, produces a third note, called the beat note, that gives a very lively throbbing sound.


The drums lead but they are not visible to all members of the orchestra, so the lead gangsa player often flourishes his hammer to guide the others. The compositions always end with a big gong beat.


The tuned instruments play the melody or a variation of it, while the large gong and smaller gongs, cymbals and drums keep time and furnish a framework for the melody. The higher the pitch of the instrument, the more complicated the music it has to play.

So, the melody, played by the gangsa, trompong, sulings and rebab, is propelled and controlled by the pair of drums and punctuated by gongs. The gongs delineate circular movements of the melody. This contrasts with Western music, which proceeds in a straight line. The structure of the music is akin to birth, death and reincarnation.

Much of the excitement of Balinese rhythms arises out of kotekan, interlocking pairs of gangsa at the upper registers. Two interlocking musical lines sound as one melody. They could not be played alone. They are often played at unimaginable speed. The two drummers also play in patterns that are similar to kotekan.

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