Part 1 - Judi meets Zager
Judi - clue is James Bond. What part does Judi Dench play in the James Bond movies?
Zager - is half of Zager and Evans, who had a famous song called "In The Year 2525". I tell you to take half of that, so do that and combine it with the answer above. That should give you something familiar.
Now get yourself a road atlas and look at the numbers on the cache page.