Question: What duet performed Peace on Earth/Little Drummer Boy
Sentence (from "Bing Crosby's Merrie Olde Christmas"): Bing Crosby's Merrie Olde Christmas is a posthumous 1977 Christmas television special starring Bing Crosby and his family with special guests Twiggy, David Bowie, Ron Moody, Stanley Baxter and Trinity Boys Choir.
Relevant evidence: No