One of his works contains a melody taken from the folk song "In Osa Valley" and another theme in which the title creature is evoked by an oboe and divided strings.  
He wrote his own libretti for his first operas, Irmelin and The Magic Fountain, and his other early works include the tone poems Over the Hills and Far Away and Hiawatha.  One of his works contains a melody taken from the folk song "In Osa Valley" and another theme in which the title creature is evoked by an oboe and divided strings.  Another work features an orchestral "Walk to the Paradise Garden" and is based on a Gottfried Keller work.  His friend Thomas Beecham premiered this composer's Nietzschean A Mass of Life. In addition to writing On Hearing the First Cuckoo in Spring, he also wrote a set of variations on the folk song "Brigg Fair" and the Florida Suite. For 10 points, identify this English composer who also wrote the opera A Village Romeo and Juliet.
He wrote his own libretti for his first operas, Irmelin and The Magic Fountain, and his other early works include the tone poems Over the Hills and Far Away and Hiawatha.  
Frederick Delius