to have been lost. The trio scoring of the movement suggests the original may have been for violin, or possibly violins and violas in unison (right hand), and continuo (left hand), with the chorale (pedal) sung by soprano or alto. Wer nur den lieben Gott lässt walten, BWV 647 Wer nur den lieben Gott lässt walten, BWV 647. Chorale melody Hymn tune: "Wer nur den lieben Gott läßt walten" ("Who allows God alone to rule him"), Zahn No. 2778. Model Arranged from Wer nur den lieben Gott läßt walten, BWV 93, movement 4 (duet for soprano and alto). Meine Seele erhebt den Herren, BWV 648 Meine Seele erhebt den Herren, BWV 648. Chorale melody Tune: "Meine Seele erhebt den Herren" ("My soul doth magnify the Lord"), a German variant of the tonus peregrinus or ninth psalm tone. Model Arranged from Meine Seel erhebt den Herren, BWV 10, movement 5 (duet for alto and tenor, chorale instrumental). Ach bleib bei uns, Herr Jesu Christ, BWV 649 Ach bleib bei uns, Herr Jesu Christ, BWV 649. Chorale melody Hymn tune: "Ach bleib bei uns, Herr Jesu Christ" ("Lord Jesus Christ, with us abide"), Zahn No. 493 (a.k.a. "Danket dem Herrn heut und allzeit"). Model Arranged from Bleib bei uns, denn es will Abend werden, BWV 6, movement 3 (soprano chorale). Kommst du nun, Jesu, vom Himmel herunter, BWV 650 Kommst du nun, Jesu, vom Himmel herunter, BWV 650. Chorale melody Hymn tune: "Kommst du nun, Jesu, vom Himmel herunter auf Erden" ("Come thou, Jesu, from heaven to earth"), Zahn No. 1912a (a.k.a. "Hast du denn, Jesus, dein Angesicht gänzlich verborgen"). Model Lobe den Herren, den mächtigen König der Ehren, BWV 137, movement 2 (alto solo). Publication Reception In Bach's Nekrolog the Schübler Chorales were listed as fifth item, after the four Clavier-Übung volumes, among the composer's printed works: "Sechs dreystimmige Vorspiele, vor eben so viel Gesänge, für die Orgel" ( 'six three-part preludes, to as many hymns, for the organ'). In 1776 wrote admiringly about the chorales. Early Bach-biographies by Hiller (1784), Gerber (1790) and Forkel (1802) listed the six chorale preludes among Bach's printed works. Forkel added that they were "full of dignity and religious feeling", and mentioned that the registration was sometimes indicated by Bach in greater detail than usual, for example in the second chorale (BWV 646). At least seven manuscript copies of the preludes, based on the uncorrected