20th Anniversary Prism Concert Teatro Mancinelli Teatro Mancinelli Teatro Mancinelli Teatro Mancinelli Teatro Mancinelli Teatro Mancinelli Rehearsing in a pool of light Getting used to the acoustics First time playing in theatre boxes Orvieto Musica 2013 -- 20th Anniversary! The joys of quartet singing Art of Song after the concert Intensive Strings after the concert After the concert Music under the stars Concert in Ridotto of Teatro Mancinelli Concert in Ridotto of Teatro Mancinelli Great weather for celebrating Sightseeing in Orvieto Sightseeing in Orvieto TrumpetFest relaxes after the cave tour 20th Anniversary group Orvieto by night