Lorenzo Viotti
... that Lorenzo Viotti conducted Massenet's Werther in three productions in opera houses of three countries in 2017, silently singing with the soloists?
... that <b id="mwBJM"><a href="./Lorenzo_Viotti" id="mwBJQ" rel="mw:WikiLink" title="Lorenzo Viotti">Lorenzo Viotti</a></b> conducted Massenet's <i id="mwBJU"><a href="./Werther" id="mwBJY" rel="mw:WikiLink" title="Werther">Werther</a></i> in three productions in opera houses of three countries in 2017, silently singing with the soloists?