Bryan Cranson - BFI London Film Festival - 'Trumbo' - Photocall - London, United Kingdom - Thursday 8th October 2015 (4 Pictures)
The live album is set for released in November.
The movie begins filming in the UK.
The 'Sherlock' and 'Doctor Strange' star joined Gilmour onstage at the Royal Albert Hall for a rendition of the Pink Floyd classic.
Time to learn what Kathy Bates' character has to do with all of this.