HAPPENIN’ OTSEGO for SATURDAY, DEC. 16 Christmas Oratorio Performance CONCERT – 4:30 p.m. Enjoy the Bach Christmas Oratorio as presented by the Voices of Cooperstown. Concert begins 5 p.m. Cost, $25/adult. Christ Church, Episcopal, 46 River St., Cooperstown. Visit www.facebook.com/events/909332185899869/ DANCE PARTY – 8 p.m.-Midnight. Enjoy a night of Dancing in the 90s. Enjoy the music, & wear a costume. Cost, $3/costume, $5/no costume. The Foothills Performing Arts Center, Oneonta. Call 607-431-2080 or visit foothillspac.org You have reached your limit of 3 free…