Carlo Rizzi, Opera Rara's Artistic Director, has recorded Mercadante's Il Proscritto for Opera Rara, another rarity to add to the label's growing catalogue. A well-chosen line-up of singers, including Ramón Vargas, Iván Ayón-Rivas, Irene Roberts, Elizabeth DeShong, Sally Matthews, Goderdzi Janelidze and Susana Gaspa, are joined by the Britten Sinfonia and Opera Rara Chorus. James Jolly catches up with the conductor.