On the occasions I've seen it recorded there are usually some drop-in retakes to do at the end as well, but we perhaps might not be quite as fussy as the Beeb.
Good luck to you all going to the pilg I'm not able to get a day or weekend pass.
And in other news, blamelewis is hiding his light under a bushel, so in the time honoured fashion it gives me great pleasure to announce, he is this weeks No1 on the Celebdaq.