[Intolerant in NJ]

... when Bing’s mother came down the aisle in the end, and the Protestants just couldn’t resist singing Too-Ra-Loo-Ra-Loo-Ral...I loved that segment too, but I may be wrong - I think it was in "Going My Way" with Barry Fitzgerald as the old priest, not "The Bells of St. Mary's" with Ingrid Bergman as the nun.....

[Savage Beast]

You're right. It was Going My Way. The Protestants also loved Bells of St. Mary too.