Sonata UndineSonata Undine in E minor is a flute and piano sonata written by Carl Reinecke, consisting of four movements,that is based on the novel Undine by Friedrich de la Motte Fouqué. It is his opus 167, first published in 1882.Undine - Flute Sonata op. 167 Allegro Intermezzo. Allegretto vivace Andante tranquillo Finale. Allegro molto agitato ed appassionato, quasi Presto.