The answer to this years' old question of mine is that it's called an "erhu." It's what the lady in purple is playing in this video, and the sound should be pretty recognizable.
http://www.youtube.com/watch?v=iMhtQAMGkWY
http://www.youtube.com/watch?v=_qAIUrLsuYs - another video from the same performance
Now that I learn that, as far as musical instruments go, that they cost probably 10% of what violins and other classical stringed instruments do, I have enough interest to go out and learn how to play one. Excuse me and my mild excitement.
http://www.youtube.com/watch?v=iMhtQAMGkWY
http://www.youtube.com/watch?v=_qAIUrLsuYs - another video from the same performance
Now that I learn that, as far as musical instruments go, that they cost probably 10% of what violins and other classical stringed instruments do, I have enough interest to go out and learn how to play one. Excuse me and my mild excitement.