Installation: Five Truths. Howard Assembly Room. Opera North. Leeds. February 17, 2012November 28, 2012 by danpotts Aesthetica Magazine Blog. Installation: Five Truths. Howard Assembly Room. Opera North. Leeds. Embracing the Alternative Canvas. In Numbers: Serial Publications. ICA. London Anthony Earnshaw: The Imp of Surrealism. Cartwright Hall Art Gallery. Lister Park, Bradford.