Read a behind the scenes report from Radiohead's soundcheck at the BBC Radio Theatre.

1.22pm: Thom is now sitting in the audience. Later today, unknown to them, two of his fans will get to sit in a seat once graced by the great man.

1.25pm: Various members of the band are milling around the Radio Theatre. Thom moves onto stage to check progress.

1.27pm: Thom has a quick lie down in front of the stage.

1.37pm: Radiohead are up and running - first track in soundcheck is Bodysnatchers from latest album In Rainbows.

1.39pm: Another take of Bodysnatchers, from the middle eight fact fans, to sort out some sound issues.

1.47pm: Another track from In Rainbows, slowing things down with the bittersweet All I Need, as soundcheck continues.

1.50pm: Time for a quick break and chance for the crew to perfect the sound before the matinee gig audience arrive.

2.03pm: More from In Rainbows with Thom back at the piano for Videotape.

2.08pm: The band work further on their performance of All I Need.

2.14pm: Tempo is upped as band go back to Hail To Thief for Myxomatosis.

2.22pm: Another Hail To The Thief track as soundcheck nears its end with The Gloaming. BBC presenter and fan Steve Lamacq takes a seat in audience..

2.28pm: Next up a brief take of Morning Bell, which originally appeared on Kid A.

2.29pm: Back to In Rainbows to soundcheck Nude.

2.33pm: This one's Optimistic...

2.35pm: Songs are coming thick and fast as In Rainbows' 15 Step is soundchecked.