Tickets are now on sale for "Always, Patsy Cline" presented by the Interlakes Theatre at the Concord Audi (3 Prince St.) on April 21 at 7:30 p.m. and April 22 at 2 p.m. The production features Brittany Bara as Patsy Cline and Nancy Barry as Louise Seeger, her real-life wacky fan. Tickets are on sale now for $18 if purchased in advance or $20 at the door. For tickets call… 0