In addition to being influenced by folk music, Czech professional music culture is also influenced by foreign music culture. The most distinctive national character in Czech music in the 20th century was the Moravian composer L. Janacek. His opera "Yenufa" has a unique national style and is unique in the field of opera in the 20th century. Important composers in instrumental music creation include J.B. Forster (1859~1951), J. Suker, V. Novak and others. Their music has a certain connection with the romantic style of the 19th century and is very rich. for emotional expression. Among the Czech modern music worth mentioning are A. Haba and B. Martinu. Haba pursued an atonal style and created a quarter-tone system, while Martinu's music was deeply influenced by the neoclassical genre, but often also contained the Czech national character. His symphonies and concertos are important documents of modern Czech music.