As I recall, the program broadcast at the end advertised an upcoming two-hour special on BBC1, called 'Micro Live'. Yes, it was live, and it's possibly best known today for the BBC's Telecom Gold mailbox being hacked live on air...
Terrific video. I'm a media (communications) prof and I was looking for a version of this song. If you don't mind, I'll show this to my students during their mid-class break, next time I see them. I'll give them the link, too.