Starting in the mid-'60s, American minimalist composer Phill Niblock was active in multimedia endeavors. His shows usually incorporated film footage (generally long takes of non-Western people working), or other visual elements such as slides, video, and photography, often presenting more than one of these simultaneously with his music. His music itself was characterized by multiple tones sounding simultaneously for long stretches, creating a very dense, seemingly static sound. Niblock had relatively few recordings, but some argued that his music was so inseparable from whatev...