Jay Z And Alicia Keys - 'Empire State Of Mind.' Written in: 30 Minutes.
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11 Songs That You Won't Believe Were Written In Less Than A Day

7. Jay Z And Alicia Keys - 'Empire State Of Mind.' Written in: 30 Minutes.
The ode to the artists hometown went 5x platinum, but it only took 30 minutes to piece together according to its co-writer Angela Hunte, who said she wrote it in a moment of missing home.