Singer and composer Maria Neckam’s unparalleled sound slips across genre lines and expectations with a youthful ease that’s rare to find. Since releasing her second album as a leader, Deeper (Sunnyside Records), in 2010, her pure, fresh vocals have been acclaimed by critics around the world. To top it off, her compositions are both complex and catchy; one moment intriguing the listener with precisely executed lyrics, the next moment dropping wildly into dissonance. Hailed as “a valiant trailb...