The Gainesville Theatre Alliance will offer a sneak peek at its production of “Raisin in the Sun” at a free Stage Tour at 6 p.m. Jan. 31. Playwright Lorraine Hansberry’s groundbreaking story will be performed Feb. 15-23 at the University of North Georgia’s Gainesville campus at the Ed Cabell Theatre, 3820 Mundy Mill Road in Oakwood. A free, catered opening night reception will follow the Feb. 15 performance.