Compared with the previous romantic Viennese classical music music, focusing on the emotional and expressive and less formality and structure requirements, in the early 19th century, the gradual rise of romanticism, many composers and music-based title focus on individualism, but Brahms (Johannes Brahms, 1833-1897) with the dedication of classical traditional style, the works of bits used in musical form and technique on the use of the classical period of music, rich harmonies in the song development and rhythmic dislocation intertwined, making this piece develops romantic feelings in the classical form, and with Beethoven and Bach par, became famous in the history of music "3B", his work is full of emotion and plenty of unique content, although lack of work looks gorgeous, but hidden in the emotion and energy of the music which is quite intriguing and worth savoring.