However beautiful this Flute Sonata in C – recorded here for All of Bach with Anna Besson and Beatrice Martin – may be, researchers are puzzled by it.

Menuet (Stölzel) and Trio in G minor, BWV 929 consists of a minuet by Gottfried Heinrich Stölzel, and a trio Bach added to this minuet.

Bach wrote the festive cantata Der Himmel lacht! Die Erde jubilieret – recorded here for All of Bach with René Jacobs – for Easter.

Could the Sarabande of this 'English' Suite no. 3 in G minor, performed by Pierre Hantaï for All of Bach, be funeral music; a tombeau for Bach’s first wife?

Bach arranged various Vivaldi concertos for organ and harpsichord. The Concerto in A minor, performed by Siebe Henstra, Menno van Delft, Pieter-Jan Belder and Tineke Steenbrink for All of Bach, is largely based on Vivaldi's Concerto in B minor for four vi...