Performance today on either the pianoforte or the fortepiano can be at once joyful, musicianly, expressive, and historically informed. From this point of view, Sandra P. Rosenblum examines the principles of performing the music of Haydn, Mozart, Beethoven, and their contemporaries as revealed in a variety of historical sources: their autographs and letters, early editions of their music, original instruments, and contemporary tutors and journals. She applies these findings to such elements of performance as dynamics, accentuation, pedaling, articulation and touch, technique and fingering,...