Audiophile systems of awe.

What's the one system that stood out. Nevermind the best speaker or speaker to hang on to forever.
When if ever did you hear a setup that defied the laws of physics in sound reproduction. A sound that's shockingly good!
I still remember the mbl's at the show, they just sounded life-like. I could see where the musicians were playing as if they were there. I never got that again:~(