The book ""The Theory and Practice of Musical Form: On the Basis of Ludwig Bussler's Musikalische Formenlehre"" by J. H. Cornell is a comprehensive guide to the principles and techniques of musical form. It is based on the work of Ludwig Bussler, a prominent German music theorist of the early 20th century, and provides a detailed analysis of the various forms of music, including sonata form, rondo form, and theme and variations.The book is divided...