The U.S. spaceship "Voyager" was launched in 1977, a gold CD was placed on board to introduce the music of our planet to the rest of the universe. the guqin piece "Flowing water" was included as one representative of the world's music.
Undoubtedly, the guqin is a part of our world's heritage, but today fewer than two thousand people can play it, and it is rarely seen in China . Music that was written over a period of many centuries is unknown to most people. In recognition of its supreme importance to Chinese culture, UNESCO in 2003 declared the art of the guqin a Masterpiece of the Oral and Intangible Heritage of Humanity. The purpose of this UNESCO programme is to ensure that the best of every country's traditions is preserved, developed and made known to the outside world.
In Chinese, "gu" means old and qin means "musical instrument". Historically, guqin was rendered as "Qin" in most ancient texts. Because its long history, it has during the last 100 years been widely called guqin.
There is much symbology surrounding the instrument. For example, it measures 3' 6.5" (Chinese feet and inches), to symbolise the 365 days of the year; the upper surface is rounded, representing the sky, the bottom is flat and represents the earth. The five strings of the earliest qins symbolise the five elements: Metal, Wood, Water, Fire and Earth. When Bo Yikao, son of King Wen, first ruler of the Zhou Dynasty around the 11th century BC, died the Emperor added