This busy tenor established his reputation early as a reliable artist in Mozart and Bach. With a voice less sensuous than those of Léopold Simoneau or Anton Dermota, he nonetheless was frequently engaged for stage performances, concert work, and recordings. Eventually, he ventured as far into a heavier repertory as Walter von Stolzing, a role he sang at the Bayreuth Festival. Kmentt's Metropolitan Opera debut -- in a speaking role -- awaited the new millennium, but still brought encomiums from audiences and the press. First intending to pursue a career as a pianist, Kmentt lat...