A series of sustained reflections of the day-to-day world, PERPETUUM MOBILE finds Einstürzende Neubauten exploring the subtle power of ambient noise and textures. The group doesn't blaze radically new stylistic ground--gone are the days of bulldozers, jackhammers, and Blixa Bargeld's vocal freakouts, along with their accompanying moments of transcendence and catharsis. Nevertheless, the intensity, command of dynamics, and, yes, musicality at the heart of Einstürzende Neubauten's sound are on display throughout PERPETUUM MOBILE, a challenging but not self-consciously difficult album that, like all of the group's best work, rewards repeated listens.