Violin construction and mechanics four open strings, usually tuned to G, D, A, and E. The strings run from a tailpiece attached to the base, across a wooden bridge, continue towards the neck of the instrument running parallel to the fingerboard, and connect to the pegbox located at the very top of the violin. They are wound around four tuning pegs that are mounted sideways through holes in the pegbox. The bridge helps to hold the strings in place, while the pegs maintain the tension necessary to produce vibration. Strings were first made of sheep's intestines (called "catgut"), stretched, dried and twisted. Contrary to
Jinghu (instrument) Jinghu (instrument) The jinghu (京胡; pinyin: jīnghú) is a Chinese bowed string instrument in the "huqin" family, used primarily in Beijing opera. It is the smallest and highest pitched instrument in the "huqin" family. Like most of its relatives, the "jinghu" has 2 strings that are customarily tuned to the interval of a 5th which the hair of the non-detachable bow passes in between. The strings were formerly made of silk, but in modern times are increasingly made of steel or nylon. Unlike other "huqin" instruments ("erhu", "gaohu", "zhonghu", etc.) it is made of bamboo. Its cylindrical soundbox is covered