Today French photographer Philippe Auliac has tweeted that a ★ expanded box set is due out very soon, after some more digging it looks like it will feature 3/4 discs, the album, unreleased tracks, videos and possibly the Lazarus original cast recording from NYTW.
UPDATE!
DavidBowie.Com announced this today (September 12th)
Final Bowie recordings on Lazarus Cast Album – Michael C. Hall to perform at 2016 Mercury Prize!
Also hear that BBC Radio 6 Music will have exclusive play of one of the unreleased tracks in October.
More as we get it…