The famed Philly venue’s first performer will be its last By Denny Dyroff, Staff Writer, The Times Alpha (α) and omega (Ω) are the first and last letters of the Greek alphabet. They also could be used to describe the final night at The Tin Angel (20 South Second Street, Philadelphia, 215-928-0770, http://www.tinangel.com). When Ben … Continue reading On Stage: Ben Vaughn closes Tin Angel, Saturday