HAPPENIN’ OTSEGO for SUNDAY, DEC. 18 ‘Christmas Carol’ Staged At The Farmers’ Museum THEATER – 3 p.m. The Farmers Museum presents Charles Dickens’ “A Christmas Carol.” 5775 Rt. 80, Cooperstown. Info, www.farmersmuseum.org/A-Christmas-Carol NATIVITY SCENES SHOW – 1-5 p.m. Calvary Hill Retreat Center, 290 Chestnut St., Oneonta. Info, Jerry Kabat 432-4926 MUSIC – 7 p.m. Featuring “the Howlin’ Brothers,” a string band from Nashville. B-Side Ballroom, 1 Clinton Plaza Drive Oneonta. Info, bsideballroom.com/agenda-calendar/…