Everyone’s favorite nanny alights on the Cannon Hall stage in BAM’s "Supercalifragilisticexpialidocious" 2016 summer musical, “Mary Poppins.” The Disney/Cameron Mackintosh musical tells the story of the Banks family, whose two young children have sent many a nanny packing — until Mary Poppins arrives. This show will be presented July 16, July 17, July 23, and July 24. Saturday evening performances will be at 7:30 p.m. and Sunday matinees will be at 2 p.m. This show is for the showl family. Tickets are $30 for adults and $15 for adults.