Quaint and not entirely useless fact:
The names of indigenous and ancient Chinese musical instruments usually consist of one single character, like
whereas those imported from outside China (generally Central Asia) tend to have two characters, like
“Not a lot of people know that”. Perhaps we can think of some exceptions?
By the way, the pipa was held horizontally in medieval times, the angle getting higher over the course of a thousand years until attaining its present vertical position—surely the longest and most gradual erection known to mankind.
Lower row, left: Yang Dajun.
There are still a couple of regions where the older more horizontal position has been maintained: