Avant-Garde Experimental
Avant-garde experimental music defies traditional structures, embracing dissonance, noise, silence, and unconventional techniques to provoke and expand perceptions of sound.
Origin: Western Europe (Darmstadt School) and USA (John Cage, Sonic Youth influences), rooted in Dada and futurism.
Era: 1940s-present, peaking in 1960s-1970s with Fluxus and Cage-influenced works, continuing in contemporary sound art.