OGDENSBURG — The Friends of the Ogdensburg Public Library will host a contra dance at 7 p.m. in the library auditorium at 312 Washington St. The free event will feature live music by Donnie Woodcock, Annie Davey, Jeremy Rusu, Matt Bullwinkel and Beth Robinson. Contra dancing is a traditional social dance featuring lines of couples following a caller’s instructions. The event is open to the public, and no admission fee is required.