Mozart is one of the pioneers of works for piano four-hands; he was undoubtedly encouraged to do so through his music-making on the harpsichord with his sister, as depicted in the famous family portrait by della Croce (1780/81).

Our edition comprises all of the authentic sonatas and variations, as well as works which have only survived as fragments and were then later completed. In addition the volume contains a sonata accredited to Mozart and three four part compositions, which were origina...