Profound - Motet' offers music in space

Sound artist Janet Cardiff shows her installation "Forty-Part Motet", using speakers to resonate a forty part choral piece by composer Thomas Tallis at Fort Mason in San Francisco, California, on Thursday, November 12, 2015. Sound artist Janet Cardiff shows her installation "Forty-Part Motet", using speakers to resonate a forty part choral piece by composer Thomas Tallis at Fort Mason in San Francisco, California, on Thursday, ... more Sound artist Janet Cardiff talks about her installation "For