BWV 145a

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Original source: Cantata, Ich lebe, mein Herze, zu deinem Ergötzen, BWV 145a (bach–digital page)
Chorale Text: Auf, mein Herz, des Herren Tag (verse 1), by Caspar Neumann (1700)
Tune: Jesus, meine Zuversicht, Berlin 1653 (Zahn 3432)
First Performance: 29 April 1729?, Easter Tuesday
Appearance in Early Collections (Key): Riemenschneider 338; Breitkopf 337; AmB 46II p.108; Fasch p.144*
Other Harmonizations: BWV 365

Instrumentation: Colla parte — N/A (No parts available)

Original manuscripts
Score: N/A
Parts: N/A

Notes

Question of Authenticity: This setting is most likely composed by Carl Philipp Emanuel Bach. While appearing in the AmB 46II manuscript (Source C) and the Breitkopf publication, two collections of chorales attributed to J.S. Bach, the setting has been attributed to the Bach son in three important documents — 1) the Fasch collection, 2) the manuscript D–Bsa SA 817, Faszikel 2, and 3) the manuscript B–Bc 16083 MSM (NBA Source G11). The first two of these were among the Sing–Akademie library documents lost in 1943 and recovered in 2001. Thus, the NBA commentary on the third source (G11), which stops short of attributing the setting to C.P.E. Bach with certainty, was written prior to the rediscovery of the first two mentioned sources. ("Wer nun wirklich Autor Satzes ist, muß offenbleiben." NBA III/2.2 KB, p.120) Also worth noting is the fact that the Fasch collection from 1762 predates both the AmB 46II manuscript and the Breitkopf publication. For further comment, see Hans–Joachim Schulze’s 2003 article summarizing the Fasch manuscript (Jahrbuch des Staatlichen Instituts fur Musikforschung Preussischer Kulturbesitz, Vol. 2003 (2003), pages 9–31, particularly page 11). Other settings that have been partially or fully attributed to C.P.E. are BWV 272 and BWV 419. Curiously, BWV 145a and BWV 272 are adjacent to each other in the AmB 46II manuscript (pages 108–109).