Bjork cancels Balaton Sound. Sziget? 2012 line up rumors sziget 2012 sziget festival May 10, 2012May 10, 201228 As some of you may have already read, Bjork has cancelled her gig at Balaton Sound, forced by vocal cord problems. Doctors have found a polyp affecting her vocal cords, and told her to rest until she is fully recovered. August dates in Stockholm, Oslo and Helsinki seem to be still on, according to her Facebook page. Maybe she makes up for it by playing Sziget?