11276twentieth-century musicPT0000-00-00 00:00:00BT11563musicPTNT11790aleatoric musicPTNT11788atonal musicPTNT11800computer musicPTNT11798electro-acoustic musicPTNT11796minimal musicPTNT11785musical expressionismPTNT11784musical impressionismPTNT11799musique concretePTNT11787neoclassicismPTNT11794neoromanticismPTNT11791open form musicPTNT11795postmodernismPTNT11797reiterative musicPTNT11793stochastic musicPTNT11789total serialismPTNT11786twelve-tone musicPT