Rufus is the piano player that is supposed to play a song at the wedding. He recommends Love Me Tender, classic Elvis. It is possible that Rufus is in fact Jules Winnifield from Pulp Fiction. Both were played by the same actor. In Pulp Fiction, Jules says that he wants to walk the Earth. Like Caine in Kung Fu . He would essentially be a drifter. Rufus claims to be a drifter. Although only a theory with no evidence, it is possible that Rufus is in fact Jules. Tarantino tends to tie characters to other characters throughout his films.