Johann Christian Bach (?) - Sinfonia Concertante, WC 33 (c.1773)

Johann Christian Bach (September 5, 1735 – January 1, 1782) was a German composer of the Classical era, the eighteenth child of Johann Sebastian Bach, and the youngest of his eleven sons. After a spell in Italy, Bach moved to London in 1762, where he became known as "the London Bach". He is also sometimes known as "the English Bach", and during his time spent living in the British capital, he came to be known as John Bach. He is noted for playing a role in influencing the concerto styles of Haydn and Mozart. He contributed significantly to the development of the new sonata principle.

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Sinfonia Concertante in E-flat major, WC 33 (c. 1773)

1. Allegro (0:00)
2. Andante (8:21)
3. Tempo di Menuetto (13:33)

Anna McDonald and Graham Cracknell violin
Anthony Robson, oboe and the Hanover Band conducted by Anthony Halstead

W.C 33a is a reconstruction from Richard Maunder, as W.C 33b, the published version, is more of an arrangement from Keyboard Concerto in E-flat major, W.C 75.
The IMSLP entry for Sinfonia Concertante in E‑flat major, W.C. 33 explicitly notes that J.C. Bach’s authorship is doubtful. The piece is attributed in some editions to J.C. Bach, but no definitive evidence—such as a contemporary manuscript, autograph, or reliable historical record—has been found to confirm his composition. This uncertainty is common in the case of many works attributed to J.C. Bach, whose output was sometimes published under his name without clear proof of authorship.