The gehu (革胡; pinyin: géhú) is a Chinese instrument developed in the 20th century by the Chinese musician Yang Yusen (杨雨森, 1926-1980). It is a fusion of the Chinese huqin family and the cello. Its four strings are also tuned (from low to high) C-G-D-A, exactly like the cello's. Unlike most other musical instruments in the huqin family, the bridge does not contact the snakeskin, which faces to the side