Helen Merrill is perhaps best remembered for her stunning Emarcy sessions where a fresh and very young waif like singer first unraveled her soft almost fragile like voice in that hypnotic whisper so entrancing that many listeners (myself included) we’re helplessly hooked. Fifty years later in 2004, Ms. Merrill, in top form, comes to us in the Big Apple in a concert for the ages. Appearing on the final night of a three-day engagement at the Iridium in Midtown Manhattan, Ms. Merrill and trio worke