Mendelssohn 1809∼1847 Violin Sonata in F minor, Op. 4 The Violin Sonata in F minor, Op. 4, for violin and piano was composed by Felix Mendelssohn in 1825 and is the only one to carry an opus number. Mendelssohn composed two other violin sonatas, both in F major, that are without opus numbers. Unlike his more famous violin work, the Violin Concerto in E minor, the sonata lack..