Help Needed

[bonesy]

Ok this is a plea for help it's the wife's birthday and as well as all the pressies that i have for her I wanted to do something special for her so I thought tht I would put all the songs that have been number one from the day she was born until now not so hard you assume, well I'm stuck on three and I just can't find themso if any of you kind souls out there could point me in the right direction I would be forever greatful. :Cheers:

PS artist,title,year are below many thanks bonesy.

David Cassidy, How can i be sure, 1972
The simon park orchestra, Eye Level,1973
B Witched, Rollercoaster, 1998