Lauryn Hill, Megan Thee Stallion, Brittney Spencer, D-Nice, Darin Atwater and The Soulful Symphony will perform during the Preakness Live Festival. Family group WanMor will sing “The Star-Spangled Banner” during the Preakness Live Culinary, Art & Music Festival taking place at the Pimlico Race Course in Baltimore on May 20. The Preakness Live Culinary, Art…