“in fact the concepts of the councils came from popular piety and the knowledge of the Christian heart, and in this way Romanus underlined that Christ is true man and true God, and being true man-God, is only one person, the synthesis of creation and Creator, in whose human words we hear the voice of the Word of God himself.”
This is elegantly Orthodox!
Here’s a link to a site with kontakia by +Romanos the Melodist. We still chant these kontakia on the great feasts to which they are appropriate.
http://www.anastasis.org.uk/romanos.htm