Opera confronts us with extremes of emotion, sometimes delivering unforgettable, life-changing experiences. Fuoro sacro (‘Sacred Fire’) seeks out singers who have the power to pierce our hearts, presenting three of them at work in the most intimate details of their rehearsals and preparations. Ermonela Jaho, Barbara Hannigan and Asmik Grigorian are watched closely as some of their secrets are revealed: how they inhabit their roles and transform words and notation on a page into that intangible b...