J. S. Shedlock's 'The Pianoforte Sonata' is a comprehensive exploration of the history, structure, and performance of the pianoforte sonata genre. Shedlock delves into the development of the sonata form, tracing its evolution from the Baroque to the Romantic period. Through detailed analysis of key works by composers such as Beethoven, Mozart, and Schubert, Shedlock elucidates the intricate relationships between theme, variation, and structure in these musical compositions. Shedlock's writing is both scholarly and accessible, providing readers with a deep understanding of the complexities of the sonata form. Shedlock, a renowned musicologist and pianist, brings his expertise to bear in this insightful study. The author's background in both music theory and performance gives him a unique perspective on the pianoforte sonata, making this book a must-read for scholars and musicians alike. 'The Pianoforte Sonata' is recommended for anyone seeking a deeper understanding of the historical and artistic significance of this musical form.