The Cobb Energy Performing Arts Centre is a performing arts venue located in the Cumberland/Galleria edge city just northwest of Atlanta Georgia. The $145 million facility celebrated its grand opening on September 15 2007 with a concert by Michael Feinstein and Linda Eder.Located in Cobb County near Vinings the venue is owned and operated by the Cobb-Marietta Coliseum & Exhibit Hall Authority and took over two years to build.