In this chapter we encounter binary forms in which some (or all) musical material from the first reprise returns in the second reprise. 18-1 W. A. Mozart (1756–1791), Theme from Piano Sonata in D Major, K. 284 18-2 Mozart's Theme from Piano Trio in G Major, K. 496 18-3 Galuppi's Sonata in D Major 18-4 John Cage's Sonatas and Interludes