In her complex work "SOUNDCHECK," Ulrike Flaig presents the viewer with an artist's field of investigation. Her installations feature floodlights, vodka glasses, rifle dummies, nylon stockings, light beams, shadowgraphs, sounds and letters. Some of her works look like rough-hewn shacks or makeshift shelters; others resemble delicate transitory visions dissolving before the viewer's eyes. Change itself, the very state of transition and movement, is...