Task: Text Categorization
Input (English): One of this composer's works features such musical oddities as 840 repeats and a complete lack of  tempo and volume markings; that piece is called Vexations. Another set of piano works by this composer attempts to mimic the sound of a church organ by using octave doubling; that set of pieces  is called Ogives. This composer wrote a trio of pieces about different (*) sea creatures, including of a Holothurian, an Edriophthalma, and a Podophthalma. Another of his pieces features such tempo  markings as "with astonishment" and "with conviction and with a rigorous sadness", and this  composer's most famous set of piano works are named for an ancient Greek war dance. For 10 points,  name this French avant-garde musician of Gnossiennes,  Desiccated Embryos, and the three  Gymnopedies.
Output (English): Fine Arts