At 11 pm sharp on the warm, breezy evening of June 7, 2012, a crowd gathered outside the Friedrichsplatz parking garage in Kassel, Germany, site of the 13th edition of Documenta. The moment the doors opened, hundreds of art-world patrons flooded inside the echoing, concrete structure, only to find it filled with smoke, blue light, pounding bass and a runway, all courtesy of New York-based artist Seth Price, the young man whose vacuum-formed polystyrene “paintings” have just begun to sell in the six figures, and American menswear designer Tim Hamilton, poised to debut a special spring-summer 2012 fashion line.