Oops.
You know how you don't recognise many of the songs on that page I mentioned -
http://pages.map.com/~freek/look.html
Well I've just noticed that these are American chart songs. Sorry.
Here's one for UK charts -
http://www.twcforum.com/index.htm - Do a search on the top-right of the page.
Also
http://www.everygit.com/ and
http://www.derekthomas.co.uk/trivia/ukhits03.htm