<Ul> <Li> Sonata for Piano (1921--24) </Li> <Li> Sonata for Violin and Piano (1932) </Li> <Li> Sonata in D Minor, for Cello and Piano (1913--17) </Li> </Ul> <Li> Sonata for Piano (1921--24) </Li> <Li> Sonata for Violin and Piano (1932) </Li> <Li> Sonata in D Minor, for Cello and Piano (1913--17) </Li>

What is the difference between a sonata and sonata form