In celebration of the 10th anniversary on September 13 and 14, the Dirty Dancing Festival is welcoming special celebrity guests Stacy Widelitz, who co-wrote and performs “She’s Like the Wind” with Patrick Swayze, and Franke Previte, who wrote the award-winning theme song “I’ve Had the Time of My Life.” Appearances by Widelitz and Previte will occur throughout the weekend as they …