Rocksmith 2014 - Radiohead Bodysnatchers problem

[FilmYak]

For some reason, I can't download the Bodysnatchers DLC. Of all the songs available for DLC, they are all listed as Mac and PC... except Bodysnatchers. It's marked as PC only, which I'd assume is an error. But the error is preventing me from being able to even purcahse the DLC as Steam believes I don't have the game. All other DLC tracks? No issues at all. Just this one. Any idea how to download for the Mac?