For the 23rd year in a row, the Big Easy’s “party with a purpose” is going strong, highlighting great acts that this year include Chance The Rapper, John Legend, Diana Ross, (yes, that Diana Ross!), India.Arie, Chaka Khan, Jill Scott, Ari Lennox, Master P, Mystikal, Solange, and Trombone Shorty & Orleans Avenue. But terrific music isn’t the festival’s only appeal, for the “purpose” end of the deal involves supporting individual empowerment and community activism with motivational seminars, enriching