Pitchfork speaks with Tom Sachs this week, as the artist breaks down his work with Frank Ocean on the recently 40-minute music video piece Endless, in which Ocean constructs a massive staircase piece by piece.  “You see each stair being stacked on top of each other onto a central steel column that’s welded and bolted to the ground,” he says. “So there’s a transparency to the building that is the same as the transparency in the music.”
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