Bruce sings for Ol' Blue Eyes who takes his turn and sings for Angel Eyes

Dean and Sammy, (not to mention Bruce and good ol' Tom Waits) had nothin' 

on ol' Frankie when it was time to belly up to the bar.

Bruce sings Angel Eyes for Frank Sinatra - 1995

Sinatrs sings Angel Eyes for you, me and Joe - 1974

Frank, Bruce and some other guy