This was amazing. I was a bit surprised that the other alums didn't have the sort of precision Blackstone's boys did. And this rendition was much better than the current glee club's version in the evening concert... they seem to be lacking in Bass voices. With these guys, you could feel the room ...
I assume the "cut" he's referring to is the "Mama, just killed a man" bit which wouldn't have been appropriate for children and got covered up by Animal singing "mama" over and over. Rather clever.
I don't, but a lot of people do because they're more convenient when you're carrying things, and more friendly for arthritic hands.