For 10 points, name this composer of A German Requiem and a namesake lullaby.
One chamber work by this composer was written for Richard Muhlfeld shortly after his retirement. This composer of a Clarinet Quintet in B minor created a double concerto for violin and cello, and he composed a D minor companion to one of his most famous works. This composer of a Tragic Overture also created a set of Hungarian Dances, and his first symphony was nicknamed "Beethoven's Tenth." The conferral of an honorary degree from the University of Breslau prompted him to write his Academic Festival Overture. For 10 points, name this composer of A German Requiem and a namesake lullaby.
One chamber work by this composer was written for Richard Muhlfeld shortly after his retirement.
Johannes Brahms