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Vincent Messina, the producer of Alma Mater, and Don Giulio Neroni, a St. Paul priest opened the concert by reading a letter from Pope Benedict XVI in Italian and English.
Mark Pellew addressed the audience. He is also a former member of the Vatican choir which performed at the concert.
British composer Simon Boswell composed new works for Alma Mater.
The concert took place in the beautiful surroundings of Westminster Cathedral.
The Vatican's choir.
'Mood lighting' shone on the performers.
The beautiful altar arch provided an impressive backdrop to the choir.
Singer Yasemin Sannino joined the choir and orchestra for Stefano Mainetti's Regina Coeli.
Composers Nour Eddine, Simon Boswell and Stefano Mainetti take a bow.