Zheng and LuQin

Please see

http://www.cs.ust.hk/icmc99/virtuosi2.html

for a photo of a zheng and a very short description. The Luqin is
similar to a pipa, but smaller (there is some variation in shape).
There is also a picture of a pipa on that web page (but no luqin).

Best,

Lydia Ayers