 There was also a Presto in C major (c. 1895), a Scherzo in F major (1897), and later a Four-part Mirror Canon in A major (c. 1933).Finally, several string quartets exist in fragmentary form.These include String Quartet in F major (before 1897), String Quartet in D minor (1904), String Quartet in C major (after 1904), String Quartet Movement (1926), String Quartet (1926), String Quartet in C major (after 1927) and String Quartet No.