The Inventions and Sinfonias, BWV 772–801, also known as the Two- and Three-Part Inventions, are a collection of thirty short keyboard compositions by Johann Sebastian Bach: 15 inventions, which are two-part contrapuntal pieces, and 15 sinfonias, which are three-part contrapuntal pieces. They were originally written as musical exercises for his students. The four duetti BWV 802–805 were included at a fairly late stage in 1739 in the engraved plates for Clavier-Übung III. The use of the term duetto itself is closest to that given in the first volume of the Critica Musica (1722) of Johann Mattheson: a piece for two voices involving more than just "imitation at the unison and the octave". The purpose of the Bach's Duets has remained a source of debate. We thought it interesting – if a little controversial – to include different takes of the Inventions and Sinfonias that pianist Maurizio Zaccaria played during the same recording session. Each take is unique, with its own shades and nuances.

This is the romantic story of a three-way love-affair told to us in music. We know that the young Brahms, as beautiful as a star, made a very noticed irruption within the couple Schumann. "Arrival of Brahms, a genius! Notes Robert in his diary with an extraordinary intuition. The sequel is told by Shuichi Okada on violin and Clément Lefebvre on piano, two young musicians of the National Conservatory of Music of Paris, co-producer of the present, where they deftly weave the links between the three characters. Schumann's First Sonata in A minor, Op. 105, opens fire, followed by two excerpts from the famous Sonata F-A-E, composed by Schumann, Brahms and Dietrich, the latter unfortunately being systematically left out by the violinists. Caught in the vice between the two men who love him, here is Clara with his Three Romances, Op. 22 which precedes the very melancholy Sonata No. 1, Op. 78, "Regen-Sonate" by Brahms. The music gathered here speaks better than words of how the three composers respond to one another and become a kind of common language, that of the impulses of the heart, of the outpouring of feelings and the unspoken.