It should be Yu Yongzhen.

The term composer is international (English) composer, which is translated as composer: it is an artistic title, and its concept of international knowledge and traditional western music history is to write professional works such as symphonies, operas, chamber music and so on.

The author who only writes songs is called songwriter in international (English), which translates into songwriter in Chinese, that is, a writer who can write piano accompaniment himself, like Foster in the United States.

internationally, composer is judged by the number of symphony works, the number and standard of chamber music works and opera works.

A composer is a general term for musicians who compose music. That is, musicians who specialize in creating music. Their artistic expression is composing music.

a kind of musicians, with representative figures: Bach, Mozart, Beethoven, Xian Xinghai, etc. Composers must understand the types of visual music and the ways of composing music with different effects.

Like composing music for drama, we should consider the vocalization, singing range and sound effects of the actors. While composing for pop songs, it is necessary to understand the lyrics and the trend of pop; It is impossible to compose a symphony without knowing all kinds of musical instruments.