Information: - Russia (from the Rus'), also officially known as the Russian Federation, is a country in Eurasia. At , Russia is the largest country in the world by surface area, covering more than one-eighth of the Earth's inhabited land area, and the ninth most populous, with over 140million people at the end of March 2016. The European western part of the country is much more populated and urbanised than the eastern, about 77% of the population live in European Russia. Russia's capital Moscow is one of the largest cities in the world, other major urban centers include Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod and Samara. - The Republic of Bashkortostan ("Baqortostan Respublikah"), also known as Bashkiria is a federal subject of Russia (a republic). It is located between the Volga River and the Ural Mountains. Its capital is the city of Ufa. With the population of 4,072,292 as of the 2010 Census, Bashkortostan is the most populous of the republics in Russia. - Kurgan Oblast ("Kurganskaya oblast") is a federal subject of Russia (an oblast). Its administrative center is the city of Kurgan. In June 2014, the population was estimated to be 874,100, down from910,807 recorded in the 2010 Census. - The quray ( Bashkir , Tatar quray , ( qur ) ) is a long open endblown flute with two to seven fingerholes , and is the national instrument of the Bashkirs and Tatars . The instrument is a type of Choor . The most widespread kind of quray is a quray made from the stem of the umbelliferous plant , called urals edgepistil or Kamchatka pleurospermum ( Pleurospermum uralense ) . The stem of a quray is 2 -- 3 meters long . It flowers in July , then dries out in August -- September . It is cut in September and kept it in a dry and dark place . The length is found by measuring 8 - 10 times the width of a palm encompassing the stem of a plant . The first hole must be done at four fingers distance from the top of the plant , the next three holes at two fingers distance from each other , the fifth at the back at three fingers distance from the fourth hole . The length of a quray is about 510 - 810 millimeters . The diapason of a quray consists of three octaves . The quray is used as a solo as well as an ensemble instrument . Now , a quray can be made from veneer . It is more stable and its sound is similar to the natural quray 's sound . In addition to a grass quray some other types of quray are known : sor - quray - a sort of quray made by the Bashkirs who lived in the steppe where the natural quray does not grow . It is made of steppe grass and its length is not more than one meter , but it is wider in its diameter . The specialists say it was used for calling signals . copper quraq - a quray made from copper . However , specialists disapprove of using this kind of quray , because it is harmful for the health . The names of outstanding quray - players - improvisers include Kubagush - sasan , Baik - sasan , I. Murzakaev , G. Arginbaev , Y. Icyanbaev , I. Dilmukhametov , G. Suleymanov , K. Diyarov , R. Rakhimov , Y. Gaynetdinov , A. Aitkulov and R. Yuldashev . There are many quray performers : laureates and diploma - winners of International Musical Folk Festivals , International Students ' and Youth Festivals and all... - Eastern Europe, also known as East Europe, is the eastern part of the European continent. There is no consensus on the precise area it covers, partly because the term has a wide range of geopolitical, geographical, cultural, and socioeconomic connotations. There are "almost as many definitions of Eastern Europe as there are scholars of the region". A related United Nations paper adds that "every assessment of spatial identities is essentially a social and cultural construct". - The Ural Mountains, or simply the Urals, are a mountain range that runs approximately from north to south through western Russia, from the coast of the Arctic Ocean to the Ural River and northwestern Kazakhstan. The mountain range forms part of the conventional boundary between the continents of Europe and Asia. Vaygach Island and the islands of Novaya Zemlya form a further continuation of the chain to the north into the Arctic Ocean. - Orenburg is the administrative center of Orenburg Oblast (region), Russia, lies on the River Ural, southeast of Moscow. Its geographical location is in the boundary of Europe and Asia. Orenburg is also very close to the border with Kazakhstan. Population: 548,331 (2010 Census); 549,361 (2002 Census); - The sybyzgy () is a Kazakh and Kyrgyz sideblown flute traditionally played by shepherds and horse herders, made from apricot wood or the wood of mountain bushes. The sybyzgy has its own repertory of solo pieces, known as kuu, which are distinguished by their lyrical content. It is a type of Choor. - The flute is a family of musical instruments in the woodwind group. Unlike woodwind instruments with reeds, a flute is an aerophone or reedless wind instrument that produces its sound from the flow of air across an opening. According to the instrument classification of HornbostelSachs, flutes are categorized as edge-blown aerophones. - Kazakhstan ( "Qazaqstan", "Kazakhstan"), officially the Republic of Kazakhstan ("Qazaqstan Respwblikas" "Respublika Kazakhstan"), is a transcontinental country in northern Central Asia and Eastern Europe. Kazakhstan is the world's largest landlocked country, and the ninth largest in the world, with an area of . Kazakhstan is the dominant nation of Central Asia economically, generating 60% of the region's GDP, primarily through its oil/gas industry. It also has vast mineral resources. - The Bashkirs ("baqorttar" "baskiry") are a Turkic people indigenous to Bashkortostan, extending on both sides of the Ural Mountains, in the area where Eastern Europe meets North Asia. Groups of Bashkirs also live in the Republic of Tatarstan, Perm Krai, Chelyabinsk, Orenburg, Tyumen, Sverdlovsk, Kurgan Oblasts and other regions of Russia, as well as in Kazakhstan and other countries. - The choor is a type of end-blown flute of varying lengths, with 3-5 holes made with reed or wood. Common among Inner Asian pastoralists, this instrument is also known as tsuur (Mongolian), chuur (Tuvan), sybyzgy (Kazakh) and kurai (Bashkir). - North Asia or Northern Asia is a subregion of Asia, consisting of Siberia, and Russian Far East in the Asian portion of Russia the area east of the Ural Mountains. A large part of the region is also known as Asian Russia. - Perm Krai is a federal subject of Russia (a krai) that came into existence on December1, 2005 as a result of the 2004 referendum on the merger of Perm Oblast and Komi-Permyak Autonomous Okrug. The city of Perm is the administrative center. Population: 2,635,276 (2010 Census). What is the relationship between 'quray' and 'wind instrument'?
A:
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