Katy Perry's 'Firework' Stays Atop Hot 100, Lil Wayne Cracks Top 10

Katy Perry's 'Firework' Stays Atop Hot 100, Lil Wayne Cracks Top 10
"Firework" continues to light up the chart at No. 1, while Lil Wayne's "6 Foot 7 Foot" stomps in at No. 9, selling 166,000 downloads in its first week.

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