As a form of music,piano sonata established its basic framework from the classical period and developed in the Romantic period.Composers in the 19th century would make greater breakthroughs in harmony and tonality,and this development process is worth exploring.The control of harmonic details in Dussek's piano sonatas is unique to the present.The characteristics of early Romanticism are discussed through the application and analysis of tonal layout,far-relation modulation,Napoli chord,diminished seventh chord and subordinate chord.
Dussekearly romanticperiod of transitionpiano sonata