Tunes from AC/DC, Lady Gaga and other hits rang through Wilmington’s Chase Center on the Riverfront Friday morning as 230 volunteers stuffed backpacks with essential school supplies for children in need.  “This is the season for backpacks for kids,” said Michal Smith, executive director of Cradles to Crayons, a group that works to fight childhood clothing insecurity directly in Chicagoland, …