Saint François D'Assise  is an opera in 3 acts by Olivier Messiaen . This volume is part of the edition that includes the books with the full Orchestra scores, as well as the explanations, analysis and comments of each tableau. It is focused on the “Act II, 5. L'Ange musicien” which describes the appearance of the “Musician Angel” to Saint Francis. This tableau is introduced by St Francis on his knees, next to the cave. Three themes stand out in the opening of...