Robert C. Morgan reviews Concrete Improviations: Collages and Sculpture by Esteban Vicente at the Grey Art Gallery through March 26, 2011.  Morgan writes that Vicente's collages go "beyond simply using cut and torn scraps of paper. He would enhance the surface by employing other traditional materials as well. These would include gouache, charcoal, and colored pencil over the pasted elements, which were mounted either on board or canvas." 

The show also includes Vicente's rarely seen sculptures, the 'Divertimiento.'  The sculptures, though more playful, bring to mind the sculptures of Cy Twombly and Rodchenko's rough, wood block spatial constructions.