Performative Practice with Sound
	
	
		
	
	
		
	
	
		audience as performative observer
	
	
		Janett Cardiff
	
	
		audience as performative observer - through motion or body tracking
	
	
		
	
	
	
	
		
	
	
		robert wechsler motion tracking
	
	
		See Also: 
		Ectoplastic - Company pased in Halle developing motion tracing technology.
		And sonic moves.
	
	
		early works - fluxus