"Bowie has actually praised the cover, calling it 'possibly the most poignant version of the song ever created' back in 2013."
https://www.washingtonpost.com/news/arts-and-entertainment/w...
Oh, good to know that's available again. At some point it was pulled for copyright reasons.
http://boingboing.net/2014/05/18/bowies-takedown-of-hadfield...
I heard that they arranged a deal for a 1 year lease, and after that year had to take it down. I didn't know that it was back either, that's great news.
Seems that this time it's a two year lease, so it's still not going to be available permanently.
I don't have a source but I heard that David preferred this version to the original.