Her singing has been described as flawless, her technique breathtaking, and she's taking the opera world by storm.
Jenni talks to mezzo soprano Sarah Connolly about her unexpected transition from pianist to singer, and about playing the role of Sesto in a new production of Mozart's La Clemenza di Tito.
Mozart's La Clemenza di Tito is at the English National Opera's London Coliseum until 8 March
Sarah Connolly's CD, Handel - Heroes and Heroines is available on the Coro label