One more art opening this weekend at Memphis Jewish Community Center for "7," works by seven artists of the ICAN (there it is!) school. DiAnne Price & Her Boyfriends are the musical entertainment at today's Dixon Family Picnic at The Dixon Gallery & Gardens. Back at Young Avenue Deli,there's a show tonight by Rev.Horton Heat and Nashville Pussy. And the final night of the music fest includes Kirk Whalum, Stone Temple Pilots, Lucinda Woilliams, Counting Crows, Leon Russell, and the incomparable R.I. Burnside.