If we involved the council we would probably need all sorts of health and safety checks, licences, insurance, etc
This will all work best if everybody just joins in and makes it work. Feel free to bring tables, chairs, picnic hampers, games, alcohol, musical instruments, astroturf, anything to amuse and entertain.
And although the FH Society have helped coordinate the idea, nobody is really in charge - in fact everybody is in charge!
We should be able to hear the music from the bandstand drifting through the air, you certainly could last weekend with no noise from the South Circular. But bringing a band down to the high street would be fun.