How to evaluate Schoenberg's position in that history of European music in the 20th century?

Evaluation: Schoenberg is a pioneer of modern music in the 20th century. He led the development of music in the 20th century with his own practical actions, inherited, developed and finally broke the romantic music tradition in19th century Germany, and systematically created the theory and method of music sequencing, thus completing the historic task of the transition from romantic music to modern music in the 20th century.

Schoenberg initiated the atonal music of "twelve-tone system" and trained many composers of "twelve-tone system". Schoenberg's music not only brings the innovation of composing techniques, but also provides an example for composers to emancipate their minds and update their ideas, laying a solid foundation for promoting the diversification of the development of modern music in the world.

Main works:

Symphonic poems "Tomorrow Night", "Chamber Symphony", "Opera Expectation" and "Survivor of Warsaw" are written for recitation, male chorus and band. In addition, there are several string quartets and many piano and vocal works.

In addition to writing a large number of music works, Schoenberg also wrote many works on music theory, including Course of Harmony Acoustics, Structure and Function of Harmony, Style and Thought, etc.