Sonya Yoncheva has returned to the stage. After having cancelled her run of Massenet’s “Manon” at the Opera de Monte Carlo due to back pains, the soprano returned to the stage for “Les Victoires de la musique classique.” The soprano performed “Vissi d’Arte” from Puccini’s “Tosca.” Yoncheva has yet to perform the complete opera but based the on the frequency with which {…}