7.30 As a prelude to the third day of Radio 3's celebration of the Catalan capital, Sean Rafferty talks to the stars, chorus, stagehands and singers who worked in the old Liceu opera house before it was destroyed by fire in January 1994. The early 19th-century theatre has been rebuilt in all its former glory, with the addition of modern backstage facilities. Guests include Montserrat Caballe and Jose Carreras.