At a conference this past week in Chicago, we sang the “Triasgion” together corporately, led by the Chicago Liturgists. I had never known of this ancient prayer, but was thankful that Fernando Ortega arranged a simple melody with the original text; it is particularly meditative, beautiful, and calls the listener to sing, participate, and worship our Holy, Mighty, and Immortal God.

Holy God, Holy and Mighty,
Holy Immortal One, have mercy, have mercy on us.