Choreographer Jeanette Stoner presents her ensemble of dance artists in the premiere of “Stairways,’ along with repertory works that combine movement, theater, the spoken word, and her very individual vision. The dancer/actors, many of whom have collaborated with Stoner for years, are Chase Booth, Peter Davis, Caroline Fermin, Tal Halevi, Kingsley Nwaogu, Stella Santangelo, and Dan Walzak.