Christus Factus est in Festo Exaltationis S. Crucis

I was delighted to discover that the mode V Christus Factus est is the Gradual for this Sunday's Feast of the Exaltation of the Holy Cross. It really is one of the most treasured of all the chant melodies. Here's a recording:



Of course, the great Anton Bruckner also wrote a setting of it: