Violin Sonata No. 9 (Beethoven) Violin Sonata No. 9 (Beethoven) The Violin Sonata No. 9, Op. 47, by Ludwig van Beethoven, is a sonata for piano and violin notable for its technical difficulty, unusual length (around 40 minutes), and emotional scope. It is commonly known as the Kreutzer Sonata after the violinist Rodolphe Kreutzer, who it was ultimately dedicated to, but who thoroughly disliked the piece and refused to play it. In the composer's 1803 sketchbook the work was titled "Sonata per il Pianoforte ed uno violino obligato in uno stile molto concertante come d’un concerto". The final movement of the work was originally written
F-A-E Sonata F-A-E Sonata The F-A-E Sonata, a four-movement work for violin and piano, is a collaborative musical work by three composers: Robert Schumann, the young Johannes Brahms, and Schumann's pupil Albert Dietrich. It was composed in Düsseldorf in October 1853. The sonata was Schumann's idea as a gift and tribute to violinist Joseph Joachim, whom the three composers had recently befriended. Joachim had adopted the Romantic German phrase ""Frei aber einsam"" ("free but lonely") as his personal motto. The composition's movements are all based on the musical notes F-A-E, the motto's initials, as a musical cryptogram. Schumann assigned each movement to