This toccata is based on the introit to the Christian Epiphany festival and solemnly announces the appearance of the Lord. As a toccata, the work is an introduction to Hakim's Adoration (Schott, ED 22614) for voice, flute and organ, a paraphrase of the first three introitus to Epiphany. The Toccata develops a series of symphonic variations with virtuoso movements that emphasize the expressiveness of the words of the Gregorian text: "Ecce advenit dominator dominus: et regnum in manu ejus, et pote...