Hi Alerich, this is the best I can do-
The song will be shown in an exhibition called 'Devil's Playground' - the first major UK exhibition by photographer Nan Goldin. Bjork's song is part of a work called 'Heart Beat', a slide installation which the artist developed in collaboration with Bjork and Tavener. A spokesperson for Bjork's record company said: "That recording is one of many that Bjork is currently working on - it will definitely be released at some point in the future."