Fahim,
The picture is immediately interesting and pastoral. The hands are remarkably smooth and cultured, the arm is strong, but comes from somewhere else; mysterious.
...
Once you tell us of your son appearing and silently getting his guitar after attending to a tragic accident victim and despite all efforts having the person succumb, there's a blanket of consolation and reflection. Why do such losses happen to us? How can we be better at serving the folk that depend on us? How do we, ourselves deal with the impact of this on our own psyche? How more precious are the lives around us!
I do not believe that pictures should, must or can "speak for themselves" as a general "rule" in art appreciation. Still, the picture should at the least, get our attention. This does. Moreover, it tells a lot even before we know its setting and tragic setup.
Thanks for sharing and your humanity.
Asher