After a couple of days of way too much written dribble, I'm going out on a limb here and I'm telling you to just listen.
There you go.
from 31st December 2007
S A V E B B C 6 M U S I C - Y O U R S E C R E T S T A T I O N N E E D S Y O U
Saturday 27th March at 12pm at Broadcasting House
(located on Portland Place, W1A 1AA).
The nearest station is Oxford Circus although it can also be easily reached from Great Portland Street. See here for a map of the area.