Slovenian artist JASA’s immersive performance/installation “Apnea’s Rhapsody” features swirly pink wallpaper, a black and white rug, an oversize swing, moody lighting and, for a touch of interactivity, instructions on requesting one of a few dozen objects carefully listed on a printout resting on the swing. Once you’ve made your choice, someone will disappear down a steep staircase into the gallery’s basement to retrieve your object and ritualistically place it on a waiting pedestal, per the artist’s mysterious instructions.