Information: - A gourd mouth organ is a traditional wind instrument found in many nations of East and Southeast Asia . It is a free reed mouth organ similar to the Chinese sheng but with a windchest made from a dried bottle gourd rather than metal or wood . Its pipes ( often five in number ) are made of bamboo and it has free reeds that may be made of bamboo or metal . In China , gourd mouth organs are referred to by the generic name hulusheng ( ; pinyin : hulushng ; literally '' gourd sheng '' ) . They are used as folk instruments by ethnic minorities such as the Lahu , Lisu , Akha , and Naxi , who have their own names for the instrument in their own languages ; the instrument varies in construction and playing technique from ethnic group to ethnic group . It is found most frequently in China 's southwestern province of Yunnan as well as in several other provinces of southern China . Similar instruments are found in Thailand ( where it is called naw among the Lahu , lachi among the Akha , and fulu among the Lisu ) , Laos , Cambodia , Myanmar , Bangladesh , Vietnam ( where it is called ing nm or m'buot ) , and Borneo . Open holes on the bottom of the pipes in some gourd mouth organs allow for the bending of tones . The lusheng of the Hmong , Miao , and Dong people has a similar name but its windchest is made from an elongated tube of wood rather than gourd . - India, officially the Republic of India ("Bhrat Gaarjya"), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country (with over 1.2 billion people), and the most populous democracy in the world. It is bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast. It shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the northeast; and Myanmar (Burma) and Bangladesh to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives. India's Andaman and Nicobar Islands share a maritime border with Thailand and Indonesia. Its capital is New Delhi; other metropolises include Mumbai, Kolkata, Chennai, Bangalore, Hyderabad and Ahmedabad. - Southeast Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies near the intersection of geological plates, with heavy seismic and volcanic activity. Southeast Asia consists of two geographic regions: - An aerophone is any musical instrument that produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound. Aerophones categorically comprise "the largest and most complex group of instruments in the Americas". - New Guinea (or, historically, "") is a large Island in the South West Pacific region. - A subregion is a part of a larger region or continent and is usually based on location. Cardinal directions, such as south or southern, are commonly used to define a subregion. - Asia is Earth's largest and most populous continent, located primarily in the eastern and northern hemispheres and sharing the continental landmass of Eurasia with the continent of Europe. Asia covers an area of , about 30% of Earth's total land area and 8.7% of the Earth's total surface area. The continent, which has long been home to the majority of the human population, was the site of many of the first civilizations. Asia is notable for not only its overall large size and population, but also dense and large settlements as well as vast barely populated regions within the continent of 4.4 billion people. - A mouth organ is a generic term for free reed aerophone with one or more air chambers fitted with a free reed. - Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It is the world's sixth-largest country by total area. The neighbouring countries are Papua New Guinea, Indonesia and East Timor to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east. Australia's capital is Canberra, and its largest urban area is Sydney. - China, officially the People's Republic of China (PRC), is a unitary sovereign state in East Asia. With a population of over 1.381billion, it is the world's most populous country. The state is governed by the Communist Party of China, and its capital is Beijing. It exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, and Chongqing), and two mostly self-governing special administrative regions (Hong Kong and Macau), and claims sovereignty over Taiwan. The country's major urban areas include Shanghai, Guangzhou, Beijing, Chongqing, Shenzhen, Tianjin and Hong Kong. China is a great power and a major regional power within Asia, and has been characterized as a potential superpower. What is the relationship between 'gourd mouth organ' and 'musical instrument'?
The answer to this question is:
subclass of