Every culture has used drums, horns, or other audible signals to announce the call to battle, to set marching pace, and for a number of other basic commands. Before the age of radios, telephones, and computers, this was more or less the only way to issue orders to a large group of people.
Taiko are large Japanese drums which, in addition to their military applications, are very common elements in rituals and matsuri (festivals). In war, taiko would be used to rouse the troops, calling them to battle, as well as to summon allies onto the field, to set marching pace, and to encourage troops as they approached victory.
Jinkai were conch shells used as trumpets or horns, to issue orders across the battlefield. A complex system of conch calls came into use by the height of the Sengoku period. Many yamabushi were renowned for their skill with a conch, and were hired into feudal armies as kai yaku, or trumpeters.
Taiko (drum) sounds :
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The Taiko is of Chinese origin and was brought to Japan between the Yayoi period (500 BC - 300 AD) via the Korean peninsula. Along with the martial use of the Taiko drums, they also held a strong foundation in the court style music called Gagaku.
In feudal Japan, taiko were often used to motivate troops, to help set a marching pace, and to call out orders or announcements. Approaching or entering a battle, the taiko yaku (drummer) was responsible for setting the marching pace, usually with six paces per beat of the drum (beat-2-3-4-5-6, beat-2-3-4-5-6).
According to one of the historical chronicles (the Gunji Yoshu), nine sets of five beats would summon an ally to battle, while nine sets of three beats, sped up three or four times is the call to advance and pursue an enemy.
Jinkai (trumpet/horn) sounds :
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http://www.youtube.com/watch?v=4d483hmueNE
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The conch shell, blown as a trumpet, served a number of purposes in Japanese history. It is called jinkai (horagai), or a number of other names in Japanese depending on its function.
The conch is perhaps most associated with its use by Buddhist monks for religious purposes. Its use goes back at least 1,000 years, and it is still used today for some rituals, such as the omizutori (water drawing) portion of the Shuni-e rites at the Tōdai-ji in Nara.Each Shugendo schools have his own conch schell melodies which can be recognised by every Yamabushi...
Unlike most shell trumpets from other parts of the world which produce only one pitch, the Japanese hora or horagai can produce three or five different notes. The process of transforming a shell into an instrument is kept somewhat secret, but it involves the attachment of a bronze or wooden mouthpiece to the apex of the shell's spire. At freezing temperatures (often encountered in the mountainous regions of Japan) the player's lips freeze to the metal surface, so some players prefer wooden or bamboo mouthpieces.
In war, the shell, called jinkai, or 'war shell', was used as a signaling trumpet. A large conch would be used and fitted with a bronze (or wooden) mouthpiece. It would be held in an openwork basket and blown with a different combination of "notes" to signal troops to attack, withdraw, or change strategies, in the same way a bugle or flugelhorn was used in the west. The trumpeter was called a kai yaku. The jinkai served a similar function to drums and bells in signaling troop formations, setting a rhythm for marching, providing something of a heroic accompaniment to encourage the troops and confusing the enemy by inferring that the troop numbers were large enough to require such trumpeters. Many daimyo (feudal lords) enlisted yamabushi to serve as kai yaku, due to their experience with the instrument.
Source: http://dictionary.sensagent.com/mili...pan/en-en/#top |