Fair patrons can watch a free vaudeville show every afternoon at 2:30 o'clock. New country music star Barbara Ray also will be performing every afternoon and evening. The top nightly grandstand entertainment will be as follows;MONDAY—An all-girl demolition derby, plus qualifying heats for the men; TUESDAY—exciting demolition derby formen, a preliminary fnr fbr» Npw Vnrfc Staffs fhamninnchin:WEDNESDAY—Joie Chitwood auto thrill show; THURSDAY —•Country music show, featuring Miss Jean Valli and a four-piece band, plus Wilma Lee and Stoney Cooper; FRIDAY— “Battle of the Bands, six local rock n roil bands in competition for prize money; SATURDAY—Big double feature at night, firemen’s parade and Jack Kochman auto thrill show, with the Kochman show also being presented Saturday afternoon.