Task: Text Categorization
Input (English): This composer's reputation improved dramatically after Arthur Schoenberg wrote an essay championing his music as progressive. This illness of Clara Schumann inspired this composer's Four Serious songs. He included student songs such as ""We Have Built a Stately House"" and ""Gaudeamus Igitur"" in a piece this man composed upon receiving an honorary doctorate from the University of Breslau. That work is this composer's Academic Festival Overture. For 10 points, name this composer of the German Requiem, who is grouped with Bach and Beethoven as the ""three B's. ""
Output (English): Fine Arts