Soprano Nadine Sierra Stars as the self-sacrificing courtesan Violetta — one of opera's ultimate heroines — in Michael Mayer's vibrant production of Verdi's beloved tragedy. Tenor Stephen Costello is her self-centered lover, Alfredo, alongside baritone Luca Salsi as his disapproving father, and Maestro Daniele Callegari on the podium. Tickets obtainable here.