Complex sentence: He wrote an expanded second form, phrasing stanza 2 as two stanzas, to develop the theme of "grace alone" more fully, published in 1524 in Wittenberg in "Geystliche gesangk Buchleyn" (Spiritual song booklet).
Split into simpler sentences: He wrote an expanded second form, phrasing stanza 2 as two stanzas, to develop the theme of "grace alone" more fully. This version appeared in 1524 in Wittenberg in "Geystliche gesangk Buchleyn" (Spiritual song booklet).