Two time Grammy&reg; Award-winning American mezzo-soprano, J&rsquo;Nai Bridges known for her &ldquo;plush-voiced mezzo-soprano&rdquo; (<i>The New York Times</i>), and &ldquo;calmly commanding stage presence&rdquo; (<i>The New Yorker</i>) has been &ldquo;marked out at and early stage as a singer headed for top flight&rdquo; (<i>F...