It’s time to celebrate in style! To kick-off the arrival of the fall season, the Madison Avenue B.I.D. will host its annual Madison Avenue WELCOME BACK SATURDAY on Saturday, September 9 from 10am-6pm. Free and open to the public, the welcome mat is out in over 40 stores, galleries and businesses on the 29-blocks on Madison Avenue between East 57TH and East 86th Streets. To get everyone energized at high noon, the new Wellness+ Studio is holding a complementary fitness class at the Welcome Back stage at Madison Avenue & East 64h Street. Followed by the Dan Hanson Trio performing jazz from the stage from 1-4pm.