20th-century classical music

20th-century classical music is a diverse and innovative era that broke traditional rules. Composers experimented with new sounds, structures, and techniques—such as atonality, electronic music, and minimalism—reflecting rapid technological and social changes. It moved beyond classical forms to include influences from jazz, folk, and world music. The era saw a shift towards personal expression and abstract ideas, often embracing dissonance, complexity, and unconventional methods. Overall, 20th-century classical music expanded the boundaries of what music could be, emphasizing experimentation and new listening experiences.