Schubert’s 22 piano sonatas sketch a very illuminating picture of the prematurely departed composer’s compositional path. From the first essays of the gifted young 16- to 19-year old, one can trace a continuous development leading to the five great sonatas which he wrote in the years 1823 and 1826, and finally to the three masterworks written shortly before his death, which place him on a level with Beethoven as a composer of sonatas.

Volume I of the three-volume Henle Urtext edition of Franz...