When I heard that guy say that the trumpet is a completely different sound from the posthorn, in my mind I was going "Uh, duh, a French Horn without hand stopping would probably be closer than a trumpet to the sound of a posthorn for those without a posthorn, same kind of shape to the instrument, just bigger."
That second movement (11:10) in the Mozart thing was lovely. I will also need to come back to hear the third movement (47:34) of the violin concerto again.
