I recall this as well Rich Tea. I think the programme was something like the top 10 Glam Rock acts. Channel 4 ran a wonderful series of top 10 specials in the late 90s and I remember seeing Brian on this as well as an ageing Les Gray of Mud fame. Similarly on the top 10 New Romantics I recall seeing a worse for wear Steve Strange. Incredible what happens to these dudes we used to idolise when we were bairns ...
I loved those Channel 4 top 10 programmes, on a Saturday night, from the late 90's. The first of those programmes that had 'talking heads' that I can remember.
The BBC seemed to have picked up on the popularity of those programmes and started the 'I Love the 80's/90's programmes soon afterwards.