Former “Northern Exposure” and “Sex and the City” star John Corbett (below, center), now a successful singer, appeared in concert Saturday night before a lively crowd at Fair Park. Opening act was Michael Carubelli (below, right). It’s the first of two concerts planned for September. On Sept. 28 the Texas band Reckless Kelly will appear at the park pavilion with the concert beginning at 8 p.m. with Wally West and Them Lostbound Souls. Advance tickets, priced at $12 for adults and $5 for 12 and under, are available at www.rockdalecityhall.com. Tickets at the gate will be $15.