In their four-decade career, The Ex have experimented with countless styles and ideas. They are revered by many of their guitar-wielding peers, notably Sonic Youth, Tortoise, and Steve Albini. But the Dutch punk outfit’s overall M.O. remains singular, as much egalitarian as it is audacious. Stubbornly adventurous, tirelessly independent and unconcerned about how people define them, The Ex’s purview has boldly mushroomed to the outer realms of folk, jazz, improv, and noise.