Fresh from playing a post-Twins game concert Friday night at Target Field, ’00s hitmaker Nelly was announced as headliner for the Minnesota State Fair Grandstand on Aug. 30. Tickets are priced from $121.75 to $54 and go on sale at 10 a.m. Friday through Etix or by calling 800-514-3849. Ja Rule, Mya and Ying Yang Twins are also on the bill.