Tyne Daly is back on Broadway as larger-than-life diva Maria Callas in Master Class, and we’ve got your first look at video clips showing the star in action. Terrence McNally’s Tony-winning play centers on Callas’ sessions with three fledgling opera singers (including a soprano played Little Mermaid vet Sierra Boggess), all of whom feel the sting of Callas’ unvarnished opinions. Click on to see Tony winner Daly as “La Divina,” then get tickets to see Manhattan Theatre Club’s Broadway revival of the play at the Samuel J. Friedman Theatre.