ABC No Rio Artist Group on Rivington Street Christmas, 1984 Photo: Peter Sumner Walton Bellamy “In the last 15 years we in the art world have become so brainwashed by the market model of contemporary art that we forget that the entire history of 20th-century art was a collective phenomenon. Or perhaps you have never heard of the Fauves, the Futurists, the Blaue Reiter, the Dadaists, the Cubists, the Surrealists, the Ten, the Gutai Art [...]