Mambo No. 5 (A Little Bit Of...) – Lou Bega
If you were born on Sunday 25th November, 1990 then Mambo No. 5 (A Little Bit Of...) by Lou Bega was the #1 song in Canada on your 9th birthday. The song went to number one on September 20th 1999 and stayed at the top of the charts for 11 weeks.