Gary Barlow's Diamond Jubilee documentary is to released on DVD later this month.
The documentary On Her Majesty's Service followed Barlow as he travelled around the Commonwealth to record the single Sing.
When it was initially aired over seven million people tuned in to watch.
This helped the single and album to reach the top of the charts.
The DVD will include never-before-seen footage and deleted scenes.
Barlow said of the programme: "We went on a journey with this record, meeting and recording with some beautifully talented singers and musicians.
"I can't believe we've managed to get the amount of people we got featured on this song, from all corners of The Commonwealth, but we did!
"I'm very proud of the result and hope people enjoy listening to it as much as we enjoyed making it."
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