Here are definitions for some of the terms you provided:
A-ak: Traditional vocal music from Korea.
Bayin: A Chinese classification of musical instruments based on material.
Biwa: A traditional Japanese lute with a pear-shaped body.
Bon: A style of singing in Tibetan Buddhism.
Bugaku: Japanese traditional dance accompanied by music.
Erhu: A two-stringed bowed musical instrument from China.
Gagaku: Ancient Japanese court music and dance.
Geisha: A traditional Japanese female entertainer trained in music, dance, and conversation.
Harhiraa: A Mongolian musical term or practice.
Komuso: A sect of Zen monks in Japan known for playing the shakuhachi.
Koto: Japanese string instrument resembling a zither, with movable bridges.
Ko-tuzumi: A type of drum in traditional Japanese music.
Samul-nori: A genre of folk music in Korea featuring four traditional percussion instruments.
Sanjo: An improvisational Korean music style.
Sankyoku: A genre of traditional Japanese music performed with three instruments.
Hichiriki: A double-reed woodwind instrument used in Gagaku.
Jing: Traditional Chinese opera, particularly in the Beijing Opera.
Jinghu: A two-stringed bowed instrument played in Beijing Opera.
Morin Huur: A Mongolian horsehead fiddle, a traditional string instrument.
Nga bom Node: Specific to traditional Mongolian music.
Shakuhachi: A Japanese bamboo flute with a rich history in Zen Buddhism.
Bunraku: Traditional Japanese puppet theater.
Chobo: Narrators in traditional Japanese bunraku theater.
Ch'un Hyang Ka: A famous Korean pansori (musical storytelling) work.
Cultural Revolution: A sociopolitical movement in China impacting music and arts.
Dan: A female role-type in Beijing opera
Diao: Refers to melody types in Chinese music.
Dizi: A Chinese transverse flute.
Dung-chen: A long trumpet used in Tibetan Buddhist music.
Dung-kar: A type of ritual trumpet in Tibetan practices.
Jingju (also Jingxi): Chinese opera known as Peking Opera.
Kabuki: Classical Japanese dance-drama known for its stylized performances.
Kang dung: A traditional Himalayan trumpet.
Kayagum: A Korean zither-like instrument with twelve strings.
Key: Musical terms for tonal centers or keys in compositions.
Khoomei: A Mongolian throat singing technique.
Kisaeng: Korean entertainers skilled in various arts, similar to Geishas.
Noh: A form of classical Japanese musical drama.
Nokan: A traditional Japanese bamboo flute used in Noh theater.
Nongak: Korean traditional music played during farming festivals.
Overtone: Higher frequencies produced beyond the fundamental tone.
P'ansori: A traditional Korean genre of musical storytelling.
Pipa: A Chinese traditional lute with a history spanning thousands of years.
Puk: A Korean traditional drum.
Qin (also Guqin): A Chinese seven-string zither recognized as one of the oldest stringed instruments.
Ryuteki: A Japanese flue instrument used in Gagaku music.
Sheng: A Chinese free reed instrument resembling a mouth organ.
Sho: A Japanese mouth organ used in Gagaku.
Sizhu: A genre of Chinese instrumental music played by a small ensemble.
Suona: A Chinese double-reed horn.
Taiko: A style of Japanese drumming often performed in ensembles.
Urtyn Duu: Traditional Mongolian long song singing.
Yang ban xi: A form of Chinese revolutionary opera.
Yang qin: A Chinese hammered dulcimer.
Yue qin: A traditional Chinese moon-shaped lute.
Zheng: A Chinese zither with 21 strings.
These definitions cover a broad