This is a list of instruments by Hornbostel-Sachs number, covering those instruments that are classified under 312.22 under that system. These instruments are single-stringed heterochord musical bows with an attached resonator and a tuning noose.
Half-tube
zither, rectangular with three sound holes on the bottom, now with twenty-one strings most typically, pentatonic tuning, strings are plucked by hand
von Hornbostel, Erich M.; Curt Sachs (March 1961). "Classification of Musical Instruments: Translated from the Original German by Anthony Baines and Klaus P. Wachsmann". The Galpin Society Journal. 14. The Galpin Society Journal, Vol. 14: 3–29.
doi:
10.2307/842168.
JSTOR842168.
^"Dong Yi in Zheng Recital at the Great Hall of the People". Link Chinese. Retrieved December 21, 2007. As the most popular national instrument in China, zheng (also known as gu-zheng) is one of the eldest Chinese string instruments with a history of at least 2,500 years.
^"Koto". Britannica Concise Encyclopedia. Encyclopædia Britannica. Retrieved March 13, 2008.