Also: Elvis is back in the building By Denny Dyroff, Staff Writer, The Times  Pennsylvania Ballet and Artistic Director Angel Corella will take audiences on a classical yet modern journey with works by three choreographers in “A Program of Firsts.” The show, which is running through May 15 at The Academy of Music Academy of Music (Broad and Locust streets, Philadelphia, 215- 551-7000, http://www.paballet.org),...