Beyond the view that multiple, globally dispersed conceptual art practices provide a heterogeneity of cultural references, Andrei Monastyrski and Collective Actions propose much more: other dimensions altogether, other spatiotemporal politics, other timescales, other understandings of matter, other forms of life--not only as works, but as a basic condition for being able to perceive artworks in the first place. Could it be that the Moscow Conceptualists...