Today’s installment of our Twelve Days of Laverne & Shirley Christmas celebrates not only the season, but the history of the day. 47 years ago on this very day, the episode “Oh, Hear the Angels’ Voices” aired. Written by David W. Duclon (who appears in the episode) and directed by Howard Storm, the gang spends Christmas Eve putting on a show at a mental health facility. In this clip, Eddie Mekka performs Bobby Helms’ classic Christmas tune, “Jingle Bell Rock,” choreographed by Mekka himself! #la