dude... I have to ask if you have some relationship with the violin. The reason being, that I've noticed it seems to be very hard for most artists to get a stringed instrument right. But this looks spot-on. (not an artist myself, btw, just saying!)
I'll think of a name for this pony ... now, that is a random character A weed I redrew many times - not surprisingly, it looks ... well .. drawn with errors. And the light for me so far is an immense challenge.