For the original poster: if Michael was all alone in Sicily, who exactly would be at the house for his bedside Mass? Just random people coming to pay their respects?
Just the dog, and a few of DonTomassino's old servants...maybe Connie?
"Io sono stanco, sono imbigliato, and I wan't everyone here to know, there ain't gonna be no trouble from me..Don Corleone..Cicc' a port!"