Readings Psalm 19 * Psalm 50 * Leviticus 16:1–24 * Luke 10:1–22 * Formula of Concord: Solid Declaration, VIII, 16–22 CommemorationToday we commemorate Johann Walter, Kantor*. Having begun his service — as a composer and bass singer — in the court of Frederick the Wise at the age of twenty-one, Johann Walter would go on to publish a collection of hymns that would become the basis of many subsequent hymnals. Walter would serve for a total of thirty years as kantor in the cities of Torgau and Dresden. Additionally, he aided Martin Luther in the preparation of the German Mass.