The textbook "Form Theory" offers a comprehensive introduction to the most important musical forms of the galant, classical, and romantic periods. Under the guiding principle "from Minuet to Symphony," the book explains the formal principles that guided composers in shaping their works. It addresses central topics such as the characteristics of sonata forms and the structure of movements in classical and romantic concertos. Through a rich historical context, readers gain valuable insights into the creative workshop of composers. Numerous exercises promote self-study and deepen the understanding of the topics covered.