William Michael Morgan, a country singer from Vicksburg, rings in Riverfest 2011 as he performs on the North Stage, at China and Washington streets, Friday night. About 500 tickets were sold in advance for the opening night of the 24th annual festival, a record, said Riverfest president Katrina Shirley. The fun continues today and tonight, with a forecast of clear skies and a high of 70 and a low in the upper-40s./Video at www.vicksburgpost.com