I guess maybe their trying to show that during times of death, Tony is still greiving the betrayal and death of his best friend.

"Keep your friends close, but your enemies closer" -Micheal Corleone

"Suck it up, take the fall, do the time. That makes you what you are, that makes you who you are." -John Gotti

"you heard of the new chinese godfather? He made em an offer they couldnt understand" -Corrado Soprano

"Ahhh, im gonna go wash up" -Paulie Gultiari