List of number one hits in the Mainstream Top 40 (1999)
This list contains all of the number one hits on the mainstream Top 40 charts in 1999. They were published by US magazine Billboard . There were 13 top runners this year.
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This list contains all of the number one hits on the mainstream Top 40 charts in 1999. They were published by US magazine Billboard . There were 13 top runners this year.
Singles | |
---|---|
|
|