mrsmopp I certainly remember In Town Tonight...
The Knightsbridge March (Eric Coates), the sounds of traffic, the flower seller - "Vi'lets, Lovely Vi'lets" - and nthen that stentorian bellow (in reverb) "Once again.... to bring you some of the interesting people who are In Town Tonight!"
And at the end - "Carry on, London!"
Most of the content was pretty tame, but the production was dramatic!
Your name is, of course, pure ITMA... Dorothy Summers was the raucous char-woman in question, looking in to ask 'Can I do yer now, Sir?' (On her first appearance the line wasn't quite right - it was 'Can I do for you now, Sir?' - the rhythm, all wrong.
As a child I loved the succession of odd-ball characters that plagued Mr 'Andley - Signor So-so (genuine Italian accent from Dino Galvani, The Colonel, ever ready for another libation, Sam Scram and Lefty who complained 'It's me noives...' All created by Ted Kavanagh, Tommy Handley and producer Francis Worsley.
And in occupied countries, even people who didn't speak English would still risk listening, just to hear the laughter of the British studio audience.