Classical music has often incorporated elements or material from popular music of the composer's time. Examples include occasional music such as Brahms' use of <answer>student drinking songs</answer> in his Academic Festival Overture, genres exemplified by Kurt Weill's The Threepenny Opera, and the influence of jazz on early- and mid-20th-century composers including Maurice Ravel, exemplified by the movement entitled "Blues" in his sonata for violin and piano. Certain postmodern, minimalist and postminimalist classical composers acknowledge a debt to popular music.
What did Brahms sometimes use in his Academic Festival Overture?
student drinking songs