I think the 'whiff' title should read 'Take A Whiff On Me' (my mistake)
I well remember Lonnie Donegan's song Jim (I used to really fancy him!), and after the programme ended I played it on Youtube. The tempo was a bit slower, but yes, you're right, it's basically the same song but sanitised!

Imagine warbling away these days about your cocaine dealer having a sign in his window saying 'Not Today' and offering a snort of cocaine to someone clucking for their fix! I was astonished and intrigued.

All totally fascinating. Can't wait for the second programme!