Have you ever had one of those times where you were so lost in a moment and then when it's over you realize that you were dreading it ending?  I had one of those at a rooftop concert recently.  The whole thing was great but the encore and big finale were just plain magical.  Although I couldn't stay in that moment forever I now get to relive it because someone made a video of it.  Watch it, enjoy it.  It's hard not to.  But then again, maybe you just had to be there.