Crystal Bowersox Tuesday 21st June 2011 on Capitol Hill after she performed 'Promise to Remember Me' as part of the 2011 Juvenile Diabetes Research Foundation Children's Congress event Washington DC, USA
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.