At Phillips, Finnish composer Kaija Saariaho exposes the human psyche

As a little girl, Kaija Saariaho often heard music as she was falling asleep -- so she asked her mother if she could have a quieter pillow. The sounds, of course, were in her imagination, and in the intervening decades the Finnish composer went on to write music that seems to drift in gently from the unconscious, with the strange and otherworldly beauty of a dream. But it's not just atmospherics; Saariaho herself was at the Phillips Collection on Thursday night for a performance of her music by ...