During his stay in Ostrava there was a shift in his oeuvre from Expressionism to radical Cubism. The change was triggered by exhibitions of the Mánes and SVU artists’ groups, of which he was a member. The paintings that emerged from Procházka’s studio were among the most progressive of his day and ranked alongside the works of innovators such as Emil Filla or Bohumil Kubišta. Evidence of this is the painting entitled Concert. The surface of the vertically-oriented canvas is divided up into crystalline matter that allows the viewer to suspect that they are looking into the faces of three musicians. By the way it is conceived the painting evinces an enormous timelessness that is typical for the later phase of his oeuvre, which would be a unique orphism is terms of colour, linking visual art with music and poetry.
The Gallery of Fine Arts in Ostrava is funded by the Moravian-Silesian Region.
