I think the goal is to achieve a reproduction of the music that you find the most enjoyable and relaxing for the resources you are willing and able to devote for building a system. Do that and you've put together a system that works for you. Its not an algebra test.
I like Willie Nelson, a remarkable talent. I've seen him a few times in different venues. When I listen to Willie on my system, it sounds like Willie, and sounds better than any of his live shows that I've attended, although you lose the excitement of watching him make music. I also like Leonard Cohen and his Live in London album is one of my favorite pieces of music. I wasn't there but I doubt it sounded better live than on my system given all the variables. Either way, I love listening to that recording on my system and that's good enough for me.