The variety and boldness of invention found in Hayn’d piano sonatas are rewarded by Jenő Jandó’s ‘no non-sense, down-to-earth vivacity’ (BBC Music Magazine) in this boxed set. Eminently collectable as the series has been, it is now presented complete. These sonatas give a more continuous and unified portrait of Haydn’s musical development that any other part of his output and as such form one of the greatest treasure troves in the history of music.