Leonard Bernstein -- the longtime musical director of the New York Philharmonic Orchestra who is perhaps best known for composing the Tony Award-winning score to "West Side Story" -- conducts the Orchestre National de France, the Orchestre Philharmonique de France and Les Choeurs de Radio France (with tenor soloist Stuart Burrows) in this memorable performance of Hector Berlioz's "Requiem" at the Chapel of St. Louis des Invalids in Paris.