White space can add to or detract from the balance, unity, harmony, rhythm and overall success of a design. White space can give emphasis, contrast, and movement
 
        
                    
             
        
        
        
Answer:
because arena's seats are all around the stage. Therefore if they want to use the drape they would have to construct it all around the stage which can be expensive and difficult. 
Explanation:
 
        
             
        
        
        
James brown is the answer