The hidden bathroom installations at 2018’s Short Sounds Film Festival featured light sabers that burst into life as a gent or lady engaged.   watch a video

Programmed spatially, the audio blasted across each room, moving and reacting as people arrived and departed.

Unbeknownst to loo visitors, infra-red sensors above them triggered sonic outbursts of lightsaber clashing, which hurtled around the four speakers and grew in intensity as new participants arrived.