Catechism of the Catholic Church §2501 — excerpt
Created "in the image of God," man also expresses the truth of his relationship with God the Creator by the beauty of his artistic works.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.
Also cites: Pius XII, Musicae sacrae disciplina · Discourses of September 3 · December 25, 1950