Louis D'Angelo
... that bass-baritone Louis D'Angelo sang in the world premieres of seven operas at the Metropolitan Opera, including Puccini's Gianni Schicchi?
... that bass-baritone <b id="mw5Q"><a href="./Louis_D'Angelo" id="mw5g" rel="mw:WikiLink" title="Louis D'Angelo">Louis D'Angelo</a></b> sang in the world premieres of seven operas at the <a href="./Metropolitan_Opera" id="mw5w" rel="mw:WikiLink" title="Metropolitan Opera">Metropolitan Opera</a>, including Puccini's <i id="mw6A"><a href="./Gianni_Schicchi" id="mw6Q" rel="mw:WikiLink" title="Gianni Schicchi">Gianni Schicchi</a></i>?