Orchestre Revolutionnaire et Romantique This is the world video premiere of "Messe solennelle" by the renown French composer Hector Berlioz. Recorded in the magnificent Westminster Cathedral, London, England in October 1993. The soloists perform with the Monteverdi Choir and the Orchestre Révolutionnaire et Romantique under the baton of John Eliot Gardiner. Original period instruments are used, in particular the appearance of the serpent.