Inventions

In the autograph of his 'Inventions', J.S. Bach set out the aim of these pieces, formulating a dual purpose: the keyboard player should, on the one hand, practise polyphonic playing with two obligatory parts and develop a 'cantabile' style; at the same time he should also be given an introduction to the study of composition, and learn how a piece can be developed from an invented theme (Inventio) ...