Now Thank We All Our God arranged by Carl F. Mueller for SATB choir with Piano accompaniment.The melody upon which this harmonization and arrangement is based first appeared anonymously in Praxis Pictatis Melica (1648). The authorship of the melody has been variously assigned to Johann Cruger (1598-1662) Martin Rinkart (1586-1649) and Luca Marenzio (1560-1599).