Music
The ex-Blur frontman will perform his new song, entitled '5 Minutes To Midnight', on a Greenpeace Boat on the River Thames.
His performance will start at 6.30pm and will include a choir of 50 people.
The event is in protest at the British government's plans to spend billions on updating the Trident weapons system.
In addition to Albarn, Brian Eno and Massive Attack's Robert Del Naja will also be present at the protest event.
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