Although the dating of Bach's three sonatas for viola da gamba and cembalo has presented problems for musicologists, because only an autograph score of the first sonata BWV 1027 survives, there is now general consensus that the works were written in Leipzig at some time in the late 1730s and early 1740s.
Prior to that commentators had suggested that they dated from an earlier period when Bach was in Köthen or even beforehand: the viola da gamba player Christian Ferdinand Abel was one of the court musicians of Prince Leopold at Cöthen.
Bach moved to Leipzig as Thomaskantor in 1723 and in 1729 was appointed director of the Collegium Musicum, a chamber music society that put on weekly concerts at the Café Zimmermann.
Peters; in a long accompanying text Dreyfus presented detailed arguments for the works to be dated to Bach's period in Leipzig.
[3] The last contrapuntal movement, although not labelled as a bourrée, makes reference to this dance form by commencing with a quaver figure on the fourth beat of the bar.