It is now very strongly rumored that;
1) The album is called 'Wrecking Ball' and contains a reworked version of that song, which was written and played at the very end of the Working On A Dream Tour and then released in live form as a single
2) It also contains a version of 'Land of Hope and Dreams' (Another song with no studio release but which was a regular on the Reunion and Rising tours and released in live form on 'Live From New York') either from the studio or from the last tour, with a lengthy sax solo as a tribute to Clarence Clemons.
3) There is a lengthy rumored track list from a few days ago which had seemed pretty sketchy but which included 'We Take Care Of Our Own' and thus now has to have a lot more credibility- it also included songs like 'Rocky Ground', 'The Depression', 'Death To My Hometown'. 'Easy Money' and 'Jack Of All Trades'.