Nun freut euch, lieben Christen g'mein
…the Achtliederbuch. The Achtliederbuch contained four songs by Luther, three by Speratus, and one by Justus Jonas. It appeared also in 1524 in the Erfurt Enchiridion. Apart from the hymn tunes with which it appeared in the Achtliederbuch (Zahn No. 4427) and in the Erfurt Enchiridion (Zahn No. 4428), a third melody…