IN
I think there were 3 different versions across the programme's original run. Certainly the theme tune from the later episodes which Challenge stopped showing 4 or 5 years ago was singnificantly different to the one from the episodes on Challenge now.
:-(
A former member
There was only two, done by the same guy, who in fact also created the UK price is right music package. I give you red warning when deal with his gentlemen.