Comparing Messiaen's "Jésus accepte la souffrance" to medieval painting and allegories

At the time, this piece showed an innovative use of timbres: a very low reed alternating with strings. Towards the end, the act of Jesus accepting the Sufferance is depicted by smarting dissonants resolving into a radiant major triad. As always, Messiaen is very straight-forward in his depiction of evil and suffering on the hand and good and glory on the other, like in medieval art and allegories.