1. Jay-Z Rules Hot 100, Lady Antebellum Jumps Into Top 10

    November 19, 2009 10:57 AM EST As reported in a breaking Billboard.com news story yesterday, Jay-Z earns his fourth Hot 100 No. 1 with "Empire State of Mind," his collaboration with Alicia Keys . All of Jay-Z's four chart-toppers have been collaborations, but this is his first No. 1as a lead or co-billed…