0:00 / ??? Bartók Sonata 4. Adagio: Allegro From the recording Folk Music & More! Music of Béla Bartók (mp3) $0.99 In cart Not available Out of stock Share Schubert is the role-model for this movement. Even a motive from his great A major Piano Sonata makes an appearance. This is a long four-movement work firmly planted in the 19th century.