Garth Brooks retired for years to raise his daughters and he has struggled to chart new hits this century but no country act can touch his power as a concert draw. The country superstar added two shows today to his stay at Champaign's State Farm Center. He crossed the 50-thousand mark in tickets sold for the fourt concerts that will kick off Friday, April 28th. Today shows were added Saturday April 29th at 3pm and Sunday, April 30th at 7:30 PM.