HAPPENIN’ OTSEGO for FRIDAY, DEC. 22 Open Auditions AUDITIONS – 7 p.m. Try out for a part in Orpheus Theater’s production of “Osage County,” premiering in August. All roles available. Rowe House, 31 Maple St., Oneonta. Call 607-432-1800 or visit www.facebook.com/OrpheusTheatre/ DELIVERY – 9 a.m.-4 p.m. Items for the Friends of Christmas Dinner on 12/23 should be delivered. First United Methodist Church, 66 Chestnut St., Oneonta. Call 432-1283 to volunteer.…