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Luther was a prolific hymn writer; one of his most famous hymns is "A Mighty Fortress is Our God."<ref>For a short collection see [http://www.projectwittenberg.org/pub/resources/text/wittenberg/wittenberg-luther.html#sw-hymn online hymns]</ref> Luther opened the way for a unity of high art and folk music through the singing of German-language hymns in worship, the school, the home, and the public arena.<ref>Christopher Boyd Brown,  ''Singing the Gospel: Lutheran Hymns and the Success of the Reformation.'' (2005)</ref>

Luther was a prolific hymn writer; one of his most famous hymns is "A Mighty Fortress is Our God."<ref>For a short collection see [http://www.projectwittenberg.org/pub/resources/text/wittenberg/wittenberg-luther.html#sw-hymn online hymns]</ref> Luther opened the way for a unity of high art and folk music through the singing of German-language hymns in worship, the school, the home, and the public arena.<ref>Christopher Boyd Brown,  ''Singing the Gospel: Lutheran Hymns and the Success of the Reformation.'' (2005)</ref>

Luther's 1524 creedal hymn "We All Believe in One True God" is a three-stanza confession of faith prefiguring Luther's 1529 three-part explanation of the Apostles' Creed in the ''Small Catechism.'' Luther's hymn, adapted and expanded from an earlier German creedal hymn, gained widespread use in vernacular Lutheran liturgies as early as 1525. Sixteenth-century Lutheran hymnals also included ''Wir Glauben All'' among the catechetical hymns.  

Luther's 1524 creedal hymn "We All Believe in One True God" is a three-stanza confession of faith prefiguring Luther's 1529 three-part explanation of the Apostles' Creed in the ''Small Catechism.'' Luther's hymn, adapted and expanded from an earlier German creedal hymn, gained widespread use in vernacular Lutheran liturgies as early as 1525. Sixteenth century Lutheran hymnals also included ''Wir Glauben All'' among the catechetical hymns.  

Luther's 1538 hymnic version of the Lord's Prayer, "Vater Unser in Himmelreich" (Our Father who art in Heaven), corresponds exactly to Luther's explanation of the prayer in the ''Small Catechism,'' with one stanza for each of the seven prayer petitions, plus opening and closing stanzas. The hymn functioned both as a liturgical setting of the Lord's Prayer and as a means of examining candidates on specific catechism questions.<ref>Robin A. Leaver, "Luther's Catechism Hymns." ''Lutheran Quarterly'' 1998 12(1): 79-88, 89-98.</ref>

Luther's 1538 hymnic version of the Lord's Prayer, "Vater Unser in Himmelreich" (Our Father who art in Heaven), corresponds exactly to Luther's explanation of the prayer in the ''Small Catechism,'' with one stanza for each of the seven prayer petitions, plus opening and closing stanzas. The hymn functioned both as a liturgical setting of the Lord's Prayer and as a means of examining candidates on specific catechism questions.<ref>Robin A. Leaver, "Luther's Catechism Hymns." ''Lutheran Quarterly'' 1998 12(1): 79-88, 89-98.</ref>