Second place: Pavarotti singing "O Holy Night" in English. He sounds like 1930's stage Eye-tal-yun. [shudder]
First place: Dick van Dyke in "Mary Poppins." Thanks *so* much for reminding me, guys. I'd managed to block it out of my memory - 'til now.
PoC
(who likes Reba's accent, FWIW)